123854672

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1$

素因数の和:3627

約数の個数: 40

約数和(自身を含む): 251269632

約数和(自身を除く): 127414960

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 2201, 3517, 4402, 7034, 8804, 14068, 17608, 28136, 35216, 56272, 109027, 218054, 249707, 436108, 499414, 872216, 998828, 1744432, 1997656, 3995312, 7740917, 15481834, 30963668, 61927336, 123854672]

約数ペア:

[(1, 123854672), (2, 61927336), (4, 30963668), (8, 15481834), (16, 7740917), (31, 3995312), (62, 1997656), (71, 1744432), (124, 998828), (142, 872216), (248, 499414), (284, 436108), (496, 249707), (568, 218054), (1136, 109027), (2201, 56272), (3517, 35216), (4402, 28136), (7034, 17608), (8804, 14068)]