1987654228

素因数分解:

$2^2\times 7^2\times {\mathrm{3061}}^1\times {\mathrm{3313}}^1$

素因数の和:6392

約数の個数: 36

約数和(自身を含む): 4048839732

約数和(自身を除く): 2061185504

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 3061, 3313, 6122, 6626, 12244, 13252, 21427, 23191, 42854, 46382, 85708, 92764, 149989, 162337, 299978, 324674, 599956, 649348, 10141093, 20282186, 40564372, 70987651, 141975302, 283950604, 496913557, 993827114, 1987654228]

約数ペア:

[(1, 1987654228), (2, 993827114), (4, 496913557), (7, 283950604), (14, 141975302), (28, 70987651), (49, 40564372), (98, 20282186), (196, 10141093), (3061, 649348), (3313, 599956), (6122, 324674), (6626, 299978), (12244, 162337), (13252, 149989), (21427, 92764), (23191, 85708), (42854, 46382)]