12420515

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 15299616

約数和(自身を除く): 2879101

約数列:

[1, 5, 61, 193, 211, 305, 965, 1055, 11773, 12871, 40723, 58865, 64355, 203615, 2484103, 12420515]

約数ペア:

[(1, 12420515), (5, 2484103), (61, 203615), (193, 64355), (211, 58865), (305, 40723), (965, 12871), (1055, 11773)]