405092012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 778008672

約数和(自身を除く): 372916660

約数列:

[1, 2, 4, 13, 26, 52, 101, 137, 202, 274, 404, 548, 563, 1126, 1313, 1781, 2252, 2626, 3562, 5252, 7124, 7319, 13837, 14638, 27674, 29276, 55348, 56863, 77131, 113726, 154262, 179881, 227452, 308524, 359762, 719524, 739219, 1002703, 1478438, 2005406, 2956876, 4010812, 7790231, 15580462, 31160924, 101273003, 202546006, 405092012]

約数ペア:

[(1, 405092012), (2, 202546006), (4, 101273003), (13, 31160924), (26, 15580462), (52, 7790231), (101, 4010812), (137, 2956876), (202, 2005406), (274, 1478438), (404, 1002703), (548, 739219), (563, 719524), (1126, 359762), (1313, 308524), (1781, 227452), (2252, 179881), (2626, 154262), (3562, 113726), (5252, 77131), (7124, 56863), (7319, 55348), (13837, 29276), (14638, 27674)]