257968808

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{4441}}^1$

素因数の和:4637

約数の個数: 32

約数和(自身を含む): 496526760

約数和(自身を除く): 238557952

約数列:

[1, 2, 4, 8, 53, 106, 137, 212, 274, 424, 548, 1096, 4441, 7261, 8882, 14522, 17764, 29044, 35528, 58088, 235373, 470746, 608417, 941492, 1216834, 1882984, 2433668, 4867336, 32246101, 64492202, 128984404, 257968808]

約数ペア:

[(1, 257968808), (2, 128984404), (4, 64492202), (8, 32246101), (53, 4867336), (106, 2433668), (137, 1882984), (212, 1216834), (274, 941492), (424, 608417), (548, 470746), (1096, 235373), (4441, 58088), (7261, 35528), (8882, 29044), (14522, 17764)]