3949985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 5186496

約数和(自身を除く): 1236511

約数列:

[1, 5, 13, 65, 67, 335, 871, 907, 4355, 4535, 11791, 58955, 60769, 303845, 789997, 3949985]

約数ペア:

[(1, 3949985), (5, 789997), (13, 303845), (65, 60769), (67, 58955), (335, 11791), (871, 4535), (907, 4355)]