220171505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{13421}}^1$

素因数の和:13636

約数の個数: 16

約数和(自身を含む): 281217744

約数和(自身を除く): 61046239

約数列:

[1, 5, 17, 85, 193, 965, 3281, 13421, 16405, 67105, 228157, 1140785, 2590253, 12951265, 44034301, 220171505]

約数ペア:

[(1, 220171505), (5, 44034301), (17, 12951265), (85, 2590253), (193, 1140785), (965, 228157), (3281, 67105), (13421, 16405)]