408021968

素因数分解:

$2^4\times {\mathrm{971}}^1\times {\mathrm{26263}}^1$

素因数の和:27242

約数の個数: 20

約数和(自身を含む): 791386848

約数和(自身を除く): 383364880

約数列:

[1, 2, 4, 8, 16, 971, 1942, 3884, 7768, 15536, 26263, 52526, 105052, 210104, 420208, 25501373, 51002746, 102005492, 204010984, 408021968]

約数ペア:

[(1, 408021968), (2, 204010984), (4, 102005492), (8, 51002746), (16, 25501373), (971, 420208), (1942, 210104), (3884, 105052), (7768, 52526), (15536, 26263)]