16986395

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 4060645

約数列:

[1, 5, 59, 71, 295, 355, 811, 4055, 4189, 20945, 47849, 57581, 239245, 287905, 3397279, 16986395]

約数ペア:

[(1, 16986395), (5, 3397279), (59, 287905), (71, 239245), (295, 57581), (355, 47849), (811, 20945), (4055, 4189)]