68281936

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1739

約数の個数: 40

約数和(自身を含む): 137676704

約数和(自身を除く): 69394768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1627, 2623, 3254, 5246, 6508, 10492, 13016, 20984, 26032, 41968, 69961, 99247, 139922, 198494, 279844, 396988, 559688, 793976, 1119376, 1587952, 4267621, 8535242, 17070484, 34140968, 68281936]

約数ペア:

[(1, 68281936), (2, 34140968), (4, 17070484), (8, 8535242), (16, 4267621), (43, 1587952), (61, 1119376), (86, 793976), (122, 559688), (172, 396988), (244, 279844), (344, 198494), (488, 139922), (688, 99247), (976, 69961), (1627, 41968), (2623, 26032), (3254, 20984), (5246, 13016), (6508, 10492)]