81355336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{10139}}^1$

素因数の和:10221

約数の個数: 32

約数和(自身を含む): 164268000

約数和(自身を除く): 82912664

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 4012, 8024, 10139, 20278, 40556, 81112, 172363, 344726, 598201, 689452, 1196402, 1378904, 2392804, 4785608, 10169417, 20338834, 40677668, 81355336]

約数ペア:

[(1, 81355336), (2, 40677668), (4, 20338834), (8, 10169417), (17, 4785608), (34, 2392804), (59, 1378904), (68, 1196402), (118, 689452), (136, 598201), (236, 344726), (472, 172363), (1003, 81112), (2006, 40556), (4012, 20278), (8024, 10139)]