660995024

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{1741}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 1305768360

約数和(自身を除く): 644773336

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 389, 488, 778, 976, 1556, 1741, 3112, 3482, 6224, 6964, 13928, 23729, 27856, 47458, 94916, 106201, 189832, 212402, 379664, 424804, 677249, 849608, 1354498, 1699216, 2708996, 5417992, 10835984, 41312189, 82624378, 165248756, 330497512, 660995024]

約数ペア:

[(1, 660995024), (2, 330497512), (4, 165248756), (8, 82624378), (16, 41312189), (61, 10835984), (122, 5417992), (244, 2708996), (389, 1699216), (488, 1354498), (778, 849608), (976, 677249), (1556, 424804), (1741, 379664), (3112, 212402), (3482, 189832), (6224, 106201), (6964, 94916), (13928, 47458), (23729, 27856)]