257222784

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 256

約数和(自身を含む): 892442880

約数和(自身を除く): 635220096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 32, 34, 39, 42, 48, 51, 52, 56, 64, 68, 78, 84, 91, 96, 102, 104, 112, 119, 128, 136, 156, 168, 182, 192, 204, 208, 221, 224, 238, 272, 273, 312, 336, 357, 364, 384, 408, 416, 433, 442, 448, 476, 544, 546, 624, 663, 672, 714, 728, 816, 832, 866, 884, 896, 952, 1088, 1092, 1248, 1299, 1326, 1344, 1428, 1456, 1547, 1632, 1664, 1732, 1768, 1904, 2176, 2184, 2496, 2598, 2652, 2688, 2856, 2912, 3031, 3094, 3264, 3464, 3536, 3808, 4368, 4641, 4992, 5196, 5304, 5629, 5712, 5824, 6062, 6188, 6528, 6928, 7072, 7361, 7616, 8736, 9093, 9282, 10392, 10608, 11258, 11424, 11648, 12124, 12376, 13856, 14144, 14722, 15232, 16887, 17472, 18186, 18564, 20784, 21216, 22083, 22516, 22848, 24248, 24752, 27712, 28288, 29444, 33774, 34944, 36372, 37128, 39403, 41568, 42432, 44166, 45032, 45696, 48496, 49504, 51527, 55424, 58888, 67548, 72744, 74256, 78806, 83136, 84864, 88332, 90064, 95693, 96992, 99008, 103054, 117776, 118209, 135096, 145488, 148512, 154581, 157612, 166272, 176664, 180128, 191386, 193984, 198016, 206108, 235552, 236418, 270192, 287079, 290976, 297024, 309162, 315224, 353328, 360256, 382772, 387968, 412216, 471104, 472836, 540384, 574158, 581952, 594048, 618324, 630448, 669851, 706656, 720512, 765544, 824432, 942208, 945672, 1080768, 1148316, 1163904, 1236648, 1260896, 1339702, 1413312, 1531088, 1648864, 1891344, 2009553, 2161536, 2296632, 2473296, 2521792, 2679404, 2826624, 3062176, 3297728, 3782688, 4019106, 4593264, 4946592, 5043584, 5358808, 6124352, 6595456, 7565376, 8038212, 9186528, 9893184, 10717616, 12248704, 15130752, 16076424, 18373056, 19786368, 21435232, 32152848, 36746112, 42870464, 64305696, 85740928, 128611392, 257222784]

約数ペア:

[(1, 257222784), (2, 128611392), (3, 85740928), (4, 64305696), (6, 42870464), (7, 36746112), (8, 32152848), (12, 21435232), (13, 19786368), (14, 18373056), (16, 16076424), (17, 15130752), (21, 12248704), (24, 10717616), (26, 9893184), (28, 9186528), (32, 8038212), (34, 7565376), (39, 6595456), (42, 6124352), (48, 5358808), (51, 5043584), (52, 4946592), (56, 4593264), (64, 4019106), (68, 3782688), (78, 3297728), (84, 3062176), (91, 2826624), (96, 2679404), (102, 2521792), (104, 2473296), (112, 2296632), (119, 2161536), (128, 2009553), (136, 1891344), (156, 1648864), (168, 1531088), (182, 1413312), (192, 1339702), (204, 1260896), (208, 1236648), (221, 1163904), (224, 1148316), (238, 1080768), (272, 945672), (273, 942208), (312, 824432), (336, 765544), (357, 720512), (364, 706656), (384, 669851), (408, 630448), (416, 618324), (433, 594048), (442, 581952), (448, 574158), (476, 540384), (544, 472836), (546, 471104), (624, 412216), (663, 387968), (672, 382772), (714, 360256), (728, 353328), (816, 315224), (832, 309162), (866, 297024), (884, 290976), (896, 287079), (952, 270192), (1088, 236418), (1092, 235552), (1248, 206108), (1299, 198016), (1326, 193984), (1344, 191386), (1428, 180128), (1456, 176664), (1547, 166272), (1632, 157612), (1664, 154581), (1732, 148512), (1768, 145488), (1904, 135096), (2176, 118209), (2184, 117776), (2496, 103054), (2598, 99008), (2652, 96992), (2688, 95693), (2856, 90064), (2912, 88332), (3031, 84864), (3094, 83136), (3264, 78806), (3464, 74256), (3536, 72744), (3808, 67548), (4368, 58888), (4641, 55424), (4992, 51527), (5196, 49504), (5304, 48496), (5629, 45696), (5712, 45032), (5824, 44166), (6062, 42432), (6188, 41568), (6528, 39403), (6928, 37128), (7072, 36372), (7361, 34944), (7616, 33774), (8736, 29444), (9093, 28288), (9282, 27712), (10392, 24752), (10608, 24248), (11258, 22848), (11424, 22516), (11648, 22083), (12124, 21216), (12376, 20784), (13856, 18564), (14144, 18186), (14722, 17472), (15232, 16887)]