28554110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219647}}^1$

素因数の和:219667

約数の個数: 16

約数和(自身を含む): 55351296

約数和(自身を除く): 26797186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219647, 439294, 1098235, 2196470, 2855411, 5710822, 14277055, 28554110]

約数ペア:

[(1, 28554110), (2, 14277055), (5, 5710822), (10, 2855411), (13, 2196470), (26, 1098235), (65, 439294), (130, 219647)]