256624212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{2851}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 646194752

約数和(自身を除く): 389570540

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 577, 1154, 1731, 2308, 2851, 3462, 5702, 6924, 7501, 8553, 11404, 15002, 17106, 22503, 30004, 34212, 37063, 45006, 74126, 90012, 111189, 148252, 222378, 444756, 1645027, 3290054, 4935081, 6580108, 9870162, 19740324, 21385351, 42770702, 64156053, 85541404, 128312106, 256624212]

約数ペア:

[(1, 256624212), (2, 128312106), (3, 85541404), (4, 64156053), (6, 42770702), (12, 21385351), (13, 19740324), (26, 9870162), (39, 6580108), (52, 4935081), (78, 3290054), (156, 1645027), (577, 444756), (1154, 222378), (1731, 148252), (2308, 111189), (2851, 90012), (3462, 74126), (5702, 45006), (6924, 37063), (7501, 34212), (8553, 30004), (11404, 22503), (15002, 17106)]