257721648

素因数分解:

$2^4\times 3^1\times {\mathrm{191}}^1\times {\mathrm{28111}}^1$

素因数の和:28313

約数の個数: 40

約数和(自身を含む): 669290496

約数和(自身を除く): 411568848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 191, 382, 573, 764, 1146, 1528, 2292, 3056, 4584, 9168, 28111, 56222, 84333, 112444, 168666, 224888, 337332, 449776, 674664, 1349328, 5369201, 10738402, 16107603, 21476804, 32215206, 42953608, 64430412, 85907216, 128860824, 257721648]

約数ペア:

[(1, 257721648), (2, 128860824), (3, 85907216), (4, 64430412), (6, 42953608), (8, 32215206), (12, 21476804), (16, 16107603), (24, 10738402), (48, 5369201), (191, 1349328), (382, 674664), (573, 449776), (764, 337332), (1146, 224888), (1528, 168666), (2292, 112444), (3056, 84333), (4584, 56222), (9168, 28111)]