245090495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{121633}}^1$

素因数の和:121682

約数の個数: 16

約数和(自身を含む): 326952192

約数和(自身を除く): 81861697

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 121633, 608165, 1581229, 3770623, 7906145, 18853115, 49018099, 245090495]

約数ペア:

[(1, 245090495), (5, 49018099), (13, 18853115), (31, 7906145), (65, 3770623), (155, 1581229), (403, 608165), (2015, 121633)]