28279069

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 35136640

約数和(自身を除く): 6857571

約数列:

[1, 7, 13, 91, 109, 763, 1417, 2851, 9919, 19957, 37063, 259441, 310759, 2175313, 4039867, 28279069]

約数ペア:

[(1, 28279069), (7, 4039867), (13, 2175313), (91, 310759), (109, 259441), (763, 37063), (1417, 19957), (2851, 9919)]