31231408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{150151}}^1$

素因数の和:150172

約数の個数: 20

約数和(自身を含む): 65165968

約数和(自身を除く): 33934560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 150151, 300302, 600604, 1201208, 1951963, 2402416, 3903926, 7807852, 15615704, 31231408]

約数ペア:

[(1, 31231408), (2, 15615704), (4, 7807852), (8, 3903926), (13, 2402416), (16, 1951963), (26, 1201208), (52, 600604), (104, 300302), (208, 150151)]