129401688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 381265920

約数和(自身を除く): 251864232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 104, 124, 136, 156, 186, 204, 221, 248, 312, 372, 403, 408, 442, 527, 663, 744, 787, 806, 884, 1054, 1209, 1326, 1574, 1581, 1612, 1768, 2108, 2361, 2418, 2652, 3148, 3162, 3224, 4216, 4722, 4836, 5304, 6296, 6324, 6851, 9444, 9672, 10231, 12648, 13379, 13702, 18888, 20462, 20553, 24397, 26758, 27404, 30693, 40137, 40924, 41106, 48794, 53516, 54808, 61386, 73191, 80274, 81848, 82212, 97588, 107032, 122772, 146382, 160548, 164424, 173927, 195176, 245544, 292764, 317161, 321096, 347854, 414749, 521781, 585528, 634322, 695708, 829498, 951483, 1043562, 1244247, 1268644, 1391416, 1658996, 1902966, 2087124, 2488494, 2537288, 3317992, 3805932, 4174248, 4976988, 5391737, 7611864, 9953976, 10783474, 16175211, 21566948, 32350422, 43133896, 64700844, 129401688]

約数ペア:

[(1, 129401688), (2, 64700844), (3, 43133896), (4, 32350422), (6, 21566948), (8, 16175211), (12, 10783474), (13, 9953976), (17, 7611864), (24, 5391737), (26, 4976988), (31, 4174248), (34, 3805932), (39, 3317992), (51, 2537288), (52, 2488494), (62, 2087124), (68, 1902966), (78, 1658996), (93, 1391416), (102, 1268644), (104, 1244247), (124, 1043562), (136, 951483), (156, 829498), (186, 695708), (204, 634322), (221, 585528), (248, 521781), (312, 414749), (372, 347854), (403, 321096), (408, 317161), (442, 292764), (527, 245544), (663, 195176), (744, 173927), (787, 164424), (806, 160548), (884, 146382), (1054, 122772), (1209, 107032), (1326, 97588), (1574, 82212), (1581, 81848), (1612, 80274), (1768, 73191), (2108, 61386), (2361, 54808), (2418, 53516), (2652, 48794), (3148, 41106), (3162, 40924), (3224, 40137), (4216, 30693), (4722, 27404), (4836, 26758), (5304, 24397), (6296, 20553), (6324, 20462), (6851, 18888), (9444, 13702), (9672, 13379), (10231, 12648)]