31615128

素因数分解:

$2^3\times 3^2\times {\mathrm{571}}^1\times {\mathrm{769}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 85885800

約数和(自身を除く): 54270672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 571, 769, 1142, 1538, 1713, 2284, 2307, 3076, 3426, 4568, 4614, 5139, 6152, 6852, 6921, 9228, 10278, 13704, 13842, 18456, 20556, 27684, 41112, 55368, 439099, 878198, 1317297, 1756396, 2634594, 3512792, 3951891, 5269188, 7903782, 10538376, 15807564, 31615128]

約数ペア:

[(1, 31615128), (2, 15807564), (3, 10538376), (4, 7903782), (6, 5269188), (8, 3951891), (9, 3512792), (12, 2634594), (18, 1756396), (24, 1317297), (36, 878198), (72, 439099), (571, 55368), (769, 41112), (1142, 27684), (1538, 20556), (1713, 18456), (2284, 13842), (2307, 13704), (3076, 10278), (3426, 9228), (4568, 6921), (4614, 6852), (5139, 6152)]