68666144

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 71042656

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 199, 263, 328, 398, 526, 656, 796, 1052, 1312, 1592, 2104, 3184, 4208, 6368, 8159, 8416, 10783, 16318, 21566, 32636, 43132, 52337, 65272, 86264, 104674, 130544, 172528, 209348, 261088, 345056, 418696, 837392, 1674784, 2145817, 4291634, 8583268, 17166536, 34333072, 68666144]

約数ペア:

[(1, 68666144), (2, 34333072), (4, 17166536), (8, 8583268), (16, 4291634), (32, 2145817), (41, 1674784), (82, 837392), (164, 418696), (199, 345056), (263, 261088), (328, 209348), (398, 172528), (526, 130544), (656, 104674), (796, 86264), (1052, 65272), (1312, 52337), (1592, 43132), (2104, 32636), (3184, 21566), (4208, 16318), (6368, 10783), (8159, 8416)]