31620988

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12689}}^1$

素因数の和:12789

約数の個数: 24

約数和(自身を含む): 63957600

約数和(自身を除く): 32336612

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 12689, 25378, 50756, 88823, 177646, 355292, 1129321, 2258642, 4517284, 7905247, 15810494, 31620988]

約数ペア:

[(1, 31620988), (2, 15810494), (4, 7905247), (7, 4517284), (14, 2258642), (28, 1129321), (89, 355292), (178, 177646), (356, 88823), (623, 50756), (1246, 25378), (2492, 12689)]