28305290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217733}}^1$

素因数の和:217753

約数の個数: 16

約数和(自身を含む): 54868968

約数和(自身を除く): 26563678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217733, 435466, 1088665, 2177330, 2830529, 5661058, 14152645, 28305290]

約数ペア:

[(1, 28305290), (2, 14152645), (5, 5661058), (10, 2830529), (13, 2177330), (26, 1088665), (65, 435466), (130, 217733)]