255940816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7019}}^1$

素因数の和:7123

約数の個数: 40

約数和(自身を含む): 517065120

約数和(自身を除く): 261124304

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 2279, 4558, 7019, 9116, 14038, 18232, 28076, 36464, 56152, 112304, 301817, 372007, 603634, 744014, 1207268, 1488028, 2414536, 2976056, 4829072, 5952112, 15996301, 31992602, 63985204, 127970408, 255940816]

約数ペア:

[(1, 255940816), (2, 127970408), (4, 63985204), (8, 31992602), (16, 15996301), (43, 5952112), (53, 4829072), (86, 2976056), (106, 2414536), (172, 1488028), (212, 1207268), (344, 744014), (424, 603634), (688, 372007), (848, 301817), (2279, 112304), (4558, 56152), (7019, 36464), (9116, 28076), (14038, 18232)]