128810305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5987}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 166993344

約数和(自身を除く): 38183039

約数列:

[1, 5, 13, 65, 331, 1655, 4303, 5987, 21515, 29935, 77831, 389155, 1981697, 9908485, 25762061, 128810305]

約数ペア:

[(1, 128810305), (5, 25762061), (13, 9908485), (65, 1981697), (331, 389155), (1655, 77831), (4303, 29935), (5987, 21515)]