86827870

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{21871}}^1$

素因数の和:22275

約数の個数: 16

約数和(自身を含む): 156691008

約数和(自身を除く): 69863138

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 21871, 43742, 109355, 218710, 8682787, 17365574, 43413935, 86827870]

約数ペア:

[(1, 86827870), (2, 43413935), (5, 17365574), (10, 8682787), (397, 218710), (794, 109355), (1985, 43742), (3970, 21871)]