66990715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{1609}}^1$

素因数の和:2382

約数の個数: 16

約数和(自身を含む): 87867360

約数和(自身を除く): 20876645

約数列:

[1, 5, 11, 55, 757, 1609, 3785, 8045, 8327, 17699, 41635, 88495, 1218013, 6090065, 13398143, 66990715]

約数ペア:

[(1, 66990715), (5, 13398143), (11, 6090065), (55, 1218013), (757, 88495), (1609, 41635), (3785, 17699), (8045, 8327)]