64865936

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1731

約数の個数: 40

約数和(自身を含む): 130934328

約数和(自身を除く): 66068392

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 1621, 2501, 3242, 5002, 6484, 10004, 12968, 20008, 25936, 40016, 66461, 98881, 132922, 197762, 265844, 395524, 531688, 791048, 1063376, 1582096, 4054121, 8108242, 16216484, 32432968, 64865936]

約数ペア:

[(1, 64865936), (2, 32432968), (4, 16216484), (8, 8108242), (16, 4054121), (41, 1582096), (61, 1063376), (82, 791048), (122, 531688), (164, 395524), (244, 265844), (328, 197762), (488, 132922), (656, 98881), (976, 66461), (1621, 40016), (2501, 25936), (3242, 20008), (5002, 12968), (6484, 10004)]