40271978

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 61136640

約数和(自身を除く): 20864662

約数列:

[1, 2, 173, 239, 346, 478, 487, 974, 41347, 82694, 84251, 116393, 168502, 232786, 20135989, 40271978]

約数ペア:

[(1, 40271978), (2, 20135989), (173, 232786), (239, 168502), (346, 116393), (478, 84251), (487, 82694), (974, 41347)]