1221891839

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{32609}}^1$

素因数の和:32770

約数の個数: 16

約数和(自身を含む): 1436927040

約数和(自身を除く): 215035201

約数列:

[1, 7, 53, 101, 371, 707, 5353, 32609, 37471, 228263, 1728277, 3293509, 12097939, 23054563, 174555977, 1221891839]

約数ペア:

[(1, 1221891839), (7, 174555977), (53, 23054563), (101, 12097939), (371, 3293509), (707, 1728277), (5353, 228263), (32609, 37471)]