66990470

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{21821}}^1$

素因数の和:22135

約数の個数: 16

約数和(自身を含む): 120981168

約数和(自身を除く): 53990698

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 21821, 43642, 109105, 218210, 6699047, 13398094, 33495235, 66990470]

約数ペア:

[(1, 66990470), (2, 33495235), (5, 13398094), (10, 6699047), (307, 218210), (614, 109105), (1535, 43642), (3070, 21821)]