667032821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 859826688

約数和(自身を除く): 192793867

約数列:

[1, 7, 13, 23, 91, 161, 299, 421, 757, 2093, 2947, 5299, 5473, 9683, 9841, 17411, 38311, 67781, 68887, 121877, 125879, 226343, 318697, 881153, 1584401, 2230879, 4143061, 7330031, 29001427, 51310217, 95290403, 667032821]

約数ペア:

[(1, 667032821), (7, 95290403), (13, 51310217), (23, 29001427), (91, 7330031), (161, 4143061), (299, 2230879), (421, 1584401), (757, 881153), (2093, 318697), (2947, 226343), (5299, 125879), (5473, 121877), (9683, 68887), (9841, 67781), (17411, 38311)]