81597204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 225039360

約数和(自身を除く): 143442156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 948, 1027, 1422, 2054, 2207, 2844, 3081, 4108, 4414, 6162, 6621, 8828, 9243, 12324, 13242, 18486, 19863, 26484, 28691, 36972, 39726, 57382, 79452, 86073, 114764, 172146, 174353, 258219, 344292, 348706, 516438, 523059, 697412, 1032876, 1046118, 1569177, 2092236, 2266589, 3138354, 4533178, 6276708, 6799767, 9066356, 13599534, 20399301, 27199068, 40798602, 81597204]

約数ペア:

[(1, 81597204), (2, 40798602), (3, 27199068), (4, 20399301), (6, 13599534), (9, 9066356), (12, 6799767), (13, 6276708), (18, 4533178), (26, 3138354), (36, 2266589), (39, 2092236), (52, 1569177), (78, 1046118), (79, 1032876), (117, 697412), (156, 523059), (158, 516438), (234, 348706), (237, 344292), (316, 258219), (468, 174353), (474, 172146), (711, 114764), (948, 86073), (1027, 79452), (1422, 57382), (2054, 39726), (2207, 36972), (2844, 28691), (3081, 26484), (4108, 19863), (4414, 18486), (6162, 13242), (6621, 12324), (8828, 9243)]