256133696

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 669340800

約数和(自身を除く): 413207104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 136, 169, 182, 199, 208, 221, 224, 238, 272, 338, 364, 398, 416, 442, 448, 476, 544, 676, 728, 796, 832, 884, 952, 1088, 1183, 1352, 1393, 1456, 1547, 1592, 1768, 1904, 2366, 2587, 2704, 2786, 2873, 2912, 3094, 3184, 3383, 3536, 3808, 4732, 5174, 5408, 5572, 5746, 5824, 6188, 6368, 6766, 7072, 7616, 9464, 10348, 10816, 11144, 11492, 12376, 12736, 13532, 14144, 18109, 18928, 20111, 20696, 22288, 22984, 23681, 24752, 27064, 33631, 36218, 37856, 40222, 41392, 43979, 44576, 45968, 47362, 49504, 54128, 67262, 72436, 75712, 80444, 82784, 87958, 89152, 91936, 94724, 99008, 108256, 134524, 144872, 160888, 165568, 175916, 183872, 189448, 216512, 235417, 269048, 289744, 307853, 321776, 351832, 378896, 470834, 538096, 571727, 579488, 615706, 643552, 703664, 757792, 941668, 1076192, 1143454, 1158976, 1231412, 1287104, 1407328, 1515584, 1883336, 2152384, 2286908, 2462824, 2814656, 3766672, 4002089, 4573816, 4925648, 7533344, 8004178, 9147632, 9851296, 15066688, 16008356, 18295264, 19702592, 32016712, 36590528, 64033424, 128066848, 256133696]

約数ペア:

[(1, 256133696), (2, 128066848), (4, 64033424), (7, 36590528), (8, 32016712), (13, 19702592), (14, 18295264), (16, 16008356), (17, 15066688), (26, 9851296), (28, 9147632), (32, 8004178), (34, 7533344), (52, 4925648), (56, 4573816), (64, 4002089), (68, 3766672), (91, 2814656), (104, 2462824), (112, 2286908), (119, 2152384), (136, 1883336), (169, 1515584), (182, 1407328), (199, 1287104), (208, 1231412), (221, 1158976), (224, 1143454), (238, 1076192), (272, 941668), (338, 757792), (364, 703664), (398, 643552), (416, 615706), (442, 579488), (448, 571727), (476, 538096), (544, 470834), (676, 378896), (728, 351832), (796, 321776), (832, 307853), (884, 289744), (952, 269048), (1088, 235417), (1183, 216512), (1352, 189448), (1393, 183872), (1456, 175916), (1547, 165568), (1592, 160888), (1768, 144872), (1904, 134524), (2366, 108256), (2587, 99008), (2704, 94724), (2786, 91936), (2873, 89152), (2912, 87958), (3094, 82784), (3184, 80444), (3383, 75712), (3536, 72436), (3808, 67262), (4732, 54128), (5174, 49504), (5408, 47362), (5572, 45968), (5746, 44576), (5824, 43979), (6188, 41392), (6368, 40222), (6766, 37856), (7072, 36218), (7616, 33631), (9464, 27064), (10348, 24752), (10816, 23681), (11144, 22984), (11492, 22288), (12376, 20696), (12736, 20111), (13532, 18928), (14144, 18109)]