81862258

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{3989}}^1$

素因数の和:4353

約数の個数: 16

約数和(自身を含む): 127169280

約数和(自身を除く): 45307022

約数列:

[1, 2, 31, 62, 331, 662, 3989, 7978, 10261, 20522, 123659, 247318, 1320359, 2640718, 40931129, 81862258]

約数ペア:

[(1, 81862258), (2, 40931129), (31, 2640718), (62, 1320359), (331, 247318), (662, 123659), (3989, 20522), (7978, 10261)]