1640732541

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 2585330304

約数和(自身を除く): 944597763

約数列:

[1, 3, 7, 21, 47, 113, 141, 313, 329, 339, 791, 939, 987, 2191, 2209, 2373, 5311, 6573, 6627, 14711, 15463, 15933, 35369, 37177, 44133, 46389, 102977, 106107, 111531, 247583, 249617, 308931, 691417, 742749, 748851, 1662343, 1747319, 2074251, 4839919, 4987029, 5241957, 11636401, 14519757, 34909203, 78130121, 234390363, 546910847, 1640732541]

約数ペア:

[(1, 1640732541), (3, 546910847), (7, 234390363), (21, 78130121), (47, 34909203), (113, 14519757), (141, 11636401), (313, 5241957), (329, 4987029), (339, 4839919), (791, 2074251), (939, 1747319), (987, 1662343), (2191, 748851), (2209, 742749), (2373, 691417), (5311, 308931), (6573, 249617), (6627, 247583), (14711, 111531), (15463, 106107), (15933, 102977), (35369, 46389), (37177, 44133)]