320171968

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{161377}}^1$

素因数の和:161420

約数の個数: 28

約数和(自身を含む): 655840192

約数和(自身を除く): 335668224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 161377, 322754, 645508, 1291016, 2582032, 5002687, 5164064, 10005374, 10328128, 20010748, 40021496, 80042992, 160085984, 320171968]

約数ペア:

[(1, 320171968), (2, 160085984), (4, 80042992), (8, 40021496), (16, 20010748), (31, 10328128), (32, 10005374), (62, 5164064), (64, 5002687), (124, 2582032), (248, 1291016), (496, 645508), (992, 322754), (1984, 161377)]