257092008

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{78191}}^1$

素因数の和:78337

約数の個数: 32

約数和(自身を含む): 647429760

約数和(自身を除く): 390337752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 78191, 156382, 234573, 312764, 469146, 625528, 938292, 1876584, 10712167, 21424334, 32136501, 42848668, 64273002, 85697336, 128546004, 257092008]

約数ペア:

[(1, 257092008), (2, 128546004), (3, 85697336), (4, 64273002), (6, 42848668), (8, 32136501), (12, 21424334), (24, 10712167), (137, 1876584), (274, 938292), (411, 625528), (548, 469146), (822, 312764), (1096, 234573), (1644, 156382), (3288, 78191)]