81227688

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2622

約数の個数: 64

約数和(自身を含む): 214579200

約数和(自身を除く): 133351512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2539, 2666, 3999, 5078, 5332, 7617, 7998, 10156, 10664, 15234, 15996, 20312, 30468, 31992, 60936, 78709, 109177, 157418, 218354, 236127, 314836, 327531, 436708, 472254, 629672, 655062, 873416, 944508, 1310124, 1889016, 2620248, 3384487, 6768974, 10153461, 13537948, 20306922, 27075896, 40613844, 81227688]

約数ペア:

[(1, 81227688), (2, 40613844), (3, 27075896), (4, 20306922), (6, 13537948), (8, 10153461), (12, 6768974), (24, 3384487), (31, 2620248), (43, 1889016), (62, 1310124), (86, 944508), (93, 873416), (124, 655062), (129, 629672), (172, 472254), (186, 436708), (248, 327531), (258, 314836), (344, 236127), (372, 218354), (516, 157418), (744, 109177), (1032, 78709), (1333, 60936), (2539, 31992), (2666, 30468), (3999, 20312), (5078, 15996), (5332, 15234), (7617, 10664), (7998, 10156)]