3121985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 4017600

約数和(自身を除く): 895615

約数列:

[1, 5, 19, 59, 95, 295, 557, 1121, 2785, 5605, 10583, 32863, 52915, 164315, 624397, 3121985]

約数ペア:

[(1, 3121985), (5, 624397), (19, 164315), (59, 52915), (95, 32863), (295, 10583), (557, 5605), (1121, 2785)]