257771976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139487}}^1$

素因数の和:139514

約数の個数: 64

約数和(自身を含む): 803450880

約数和(自身を除く): 545678904

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 139487, 278974, 418461, 557948, 836922, 976409, 1115896, 1534357, 1673844, 1952818, 2929227, 3068714, 3347688, 3905636, 4603071, 5858454, 6137428, 7811272, 9206142, 10740499, 11716908, 12274856, 18412284, 21480998, 23433816, 32221497, 36824568, 42961996, 64442994, 85923992, 128885988, 257771976]

約数ペア:

[(1, 257771976), (2, 128885988), (3, 85923992), (4, 64442994), (6, 42961996), (7, 36824568), (8, 32221497), (11, 23433816), (12, 21480998), (14, 18412284), (21, 12274856), (22, 11716908), (24, 10740499), (28, 9206142), (33, 7811272), (42, 6137428), (44, 5858454), (56, 4603071), (66, 3905636), (77, 3347688), (84, 3068714), (88, 2929227), (132, 1952818), (154, 1673844), (168, 1534357), (231, 1115896), (264, 976409), (308, 836922), (462, 557948), (616, 418461), (924, 278974), (1848, 139487)]