66899885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27817}}^1$

素因数の和:27872

約数の個数: 16

約数和(自身を含む): 88795056

約数和(自身を除く): 21895171

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 27817, 139085, 361621, 1029229, 1808105, 5146145, 13379977, 66899885]

約数ペア:

[(1, 66899885), (5, 13379977), (13, 5146145), (37, 1808105), (65, 1029229), (185, 361621), (481, 139085), (2405, 27817)]