257818816

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4553

約数の個数: 56

約数和(自身を含む): 546445440

約数和(自身を除く): 288626624

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 232, 248, 464, 496, 899, 928, 992, 1798, 1856, 1984, 3596, 4481, 7192, 8962, 14384, 17924, 28768, 35848, 57536, 71696, 129949, 138911, 143392, 259898, 277822, 286784, 519796, 555644, 1039592, 1111288, 2079184, 2222576, 4028419, 4158368, 4445152, 8056838, 8316736, 8890304, 16113676, 32227352, 64454704, 128909408, 257818816]

約数ペア:

[(1, 257818816), (2, 128909408), (4, 64454704), (8, 32227352), (16, 16113676), (29, 8890304), (31, 8316736), (32, 8056838), (58, 4445152), (62, 4158368), (64, 4028419), (116, 2222576), (124, 2079184), (232, 1111288), (248, 1039592), (464, 555644), (496, 519796), (899, 286784), (928, 277822), (992, 259898), (1798, 143392), (1856, 138911), (1984, 129949), (3596, 71696), (4481, 57536), (7192, 35848), (8962, 28768), (14384, 17924)]