640981693

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 750435840

約数和(自身を除く): 109454147

約数列:

[1, 11, 29, 43, 83, 319, 473, 563, 913, 1247, 2407, 3569, 6193, 13717, 16327, 24209, 26477, 39259, 46729, 103501, 179597, 266299, 514019, 702061, 1138511, 1355141, 2009347, 7722671, 14906551, 22102817, 58271063, 640981693]

約数ペア:

[(1, 640981693), (11, 58271063), (29, 22102817), (43, 14906551), (83, 7722671), (319, 2009347), (473, 1355141), (563, 1138511), (913, 702061), (1247, 514019), (2407, 266299), (3569, 179597), (6193, 103501), (13717, 46729), (16327, 39259), (24209, 26477)]