257928192

素因数分解:

$2^{10}\times 3^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 176

約数和(自身を含む): 805699200

約数和(自身を除く): 547771008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 491, 512, 513, 576, 608, 684, 768, 864, 912, 982, 1024, 1026, 1152, 1216, 1368, 1473, 1536, 1728, 1824, 1964, 2052, 2304, 2432, 2736, 2946, 3072, 3456, 3648, 3928, 4104, 4419, 4608, 4864, 5472, 5892, 6912, 7296, 7856, 8208, 8838, 9216, 9329, 9728, 10944, 11784, 13257, 13824, 14592, 15712, 16416, 17676, 18658, 19456, 21888, 23568, 26514, 27648, 27987, 29184, 31424, 32832, 35352, 37316, 43776, 47136, 53028, 55974, 58368, 62848, 65664, 70704, 74632, 83961, 87552, 94272, 106056, 111948, 125696, 131328, 141408, 149264, 167922, 175104, 188544, 212112, 223896, 251392, 251883, 262656, 282816, 298528, 335844, 377088, 424224, 447792, 502784, 503766, 525312, 565632, 597056, 671688, 754176, 848448, 895584, 1007532, 1131264, 1194112, 1343376, 1508352, 1696896, 1791168, 2015064, 2262528, 2388224, 2686752, 3393792, 3582336, 4030128, 4525056, 4776448, 5373504, 6787584, 7164672, 8060256, 9552896, 10747008, 13575168, 14329344, 16120512, 21494016, 28658688, 32241024, 42988032, 64482048, 85976064, 128964096, 257928192]

約数ペア:

[(1, 257928192), (2, 128964096), (3, 85976064), (4, 64482048), (6, 42988032), (8, 32241024), (9, 28658688), (12, 21494016), (16, 16120512), (18, 14329344), (19, 13575168), (24, 10747008), (27, 9552896), (32, 8060256), (36, 7164672), (38, 6787584), (48, 5373504), (54, 4776448), (57, 4525056), (64, 4030128), (72, 3582336), (76, 3393792), (96, 2686752), (108, 2388224), (114, 2262528), (128, 2015064), (144, 1791168), (152, 1696896), (171, 1508352), (192, 1343376), (216, 1194112), (228, 1131264), (256, 1007532), (288, 895584), (304, 848448), (342, 754176), (384, 671688), (432, 597056), (456, 565632), (491, 525312), (512, 503766), (513, 502784), (576, 447792), (608, 424224), (684, 377088), (768, 335844), (864, 298528), (912, 282816), (982, 262656), (1024, 251883), (1026, 251392), (1152, 223896), (1216, 212112), (1368, 188544), (1473, 175104), (1536, 167922), (1728, 149264), (1824, 141408), (1964, 131328), (2052, 125696), (2304, 111948), (2432, 106056), (2736, 94272), (2946, 87552), (3072, 83961), (3456, 74632), (3648, 70704), (3928, 65664), (4104, 62848), (4419, 58368), (4608, 55974), (4864, 53028), (5472, 47136), (5892, 43776), (6912, 37316), (7296, 35352), (7856, 32832), (8208, 31424), (8838, 29184), (9216, 27987), (9329, 27648), (9728, 26514), (10944, 23568), (11784, 21888), (13257, 19456), (13824, 18658), (14592, 17676), (15712, 16416)]