31472818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28151}}^1$

素因数の和:28209

約数の個数: 16

約数和(自身を含む): 52024896

約数和(自身を除く): 20552078

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 28151, 56302, 365963, 731926, 1210493, 2420986, 15736409, 31472818]

約数ペア:

[(1, 31472818), (2, 15736409), (13, 2420986), (26, 1210493), (43, 731926), (86, 365963), (559, 56302), (1118, 28151)]