31891216

素因数分解:

$2^4\times 7^1\times {\mathrm{284743}}^1$

素因数の和:284758

約数の個数: 20

約数和(自身を含む): 70616512

約数和(自身を除く): 38725296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 284743, 569486, 1138972, 1993201, 2277944, 3986402, 4555888, 7972804, 15945608, 31891216]

約数ペア:

[(1, 31891216), (2, 15945608), (4, 7972804), (7, 4555888), (8, 3986402), (14, 2277944), (16, 1993201), (28, 1138972), (56, 569486), (112, 284743)]