31371242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{117937}}^1$

素因数の和:117965

約数の個数: 16

約数和(自身を含む): 56610240

約数和(自身を除く): 25238998

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 117937, 235874, 825559, 1651118, 2240803, 4481606, 15685621, 31371242]

約数ペア:

[(1, 31371242), (2, 15685621), (7, 4481606), (14, 2240803), (19, 1651118), (38, 825559), (133, 235874), (266, 117937)]