648261289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{3307}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 740251008

約数和(自身を除く): 91989719

約数列:

[1, 13, 17, 221, 887, 3307, 11531, 15079, 42991, 56219, 196027, 730847, 2933309, 38133017, 49866253, 648261289]

約数ペア:

[(1, 648261289), (13, 49866253), (17, 38133017), (221, 2933309), (887, 730847), (3307, 196027), (11531, 56219), (15079, 42991)]