31638736

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{27851}}^1$

素因数の和:27930

約数の個数: 20

約数和(自身を含む): 62165664

約数和(自身を除く): 30526928

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 27851, 55702, 111404, 222808, 445616, 1977421, 3954842, 7909684, 15819368, 31638736]

約数ペア:

[(1, 31638736), (2, 15819368), (4, 7909684), (8, 3954842), (16, 1977421), (71, 445616), (142, 222808), (284, 111404), (568, 55702), (1136, 27851)]