38889916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 75950784

約数和(自身を除く): 37060868

約数列:

[1, 2, 4, 13, 26, 52, 53, 103, 106, 137, 206, 212, 274, 412, 548, 689, 1339, 1378, 1781, 2678, 2756, 3562, 5356, 5459, 7124, 7261, 10918, 14111, 14522, 21836, 28222, 29044, 56444, 70967, 94393, 141934, 183443, 188786, 283868, 366886, 377572, 733772, 747883, 1495766, 2991532, 9722479, 19444958, 38889916]

約数ペア:

[(1, 38889916), (2, 19444958), (4, 9722479), (13, 2991532), (26, 1495766), (52, 747883), (53, 733772), (103, 377572), (106, 366886), (137, 283868), (206, 188786), (212, 183443), (274, 141934), (412, 94393), (548, 70967), (689, 56444), (1339, 29044), (1378, 28222), (1781, 21836), (2678, 14522), (2756, 14111), (3562, 10918), (5356, 7261), (5459, 7124)]