138740456

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 263520000

約数和(自身を除く): 124779544

約数列:

[1, 2, 4, 8, 149, 239, 298, 478, 487, 596, 956, 974, 1192, 1912, 1948, 3896, 35611, 71222, 72563, 116393, 142444, 145126, 232786, 284888, 290252, 465572, 580504, 931144, 17342557, 34685114, 69370228, 138740456]

約数ペア:

[(1, 138740456), (2, 69370228), (4, 34685114), (8, 17342557), (149, 931144), (239, 580504), (298, 465572), (478, 290252), (487, 284888), (596, 232786), (956, 145126), (974, 142444), (1192, 116393), (1912, 72563), (1948, 71222), (3896, 35611)]