636761008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{12809}}^1$

素因数の和:13069

約数の個数: 40

約数和(自身を含む): 1334289600

約数和(自身を除く): 697528592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 956, 1912, 3107, 3824, 6214, 12428, 12809, 24856, 25618, 49712, 51236, 102472, 166517, 204944, 333034, 666068, 1332136, 2664272, 3061351, 6122702, 12245404, 24490808, 39797563, 48981616, 79595126, 159190252, 318380504, 636761008]

約数ペア:

[(1, 636761008), (2, 318380504), (4, 159190252), (8, 79595126), (13, 48981616), (16, 39797563), (26, 24490808), (52, 12245404), (104, 6122702), (208, 3061351), (239, 2664272), (478, 1332136), (956, 666068), (1912, 333034), (3107, 204944), (3824, 166517), (6214, 102472), (12428, 51236), (12809, 49712), (24856, 25618)]