331390090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{328109}}^1$

素因数の和:328217

約数の個数: 16

約数和(自身を含む): 602409960

約数和(自身を除く): 271019870

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 328109, 656218, 1640545, 3281090, 33139009, 66278018, 165695045, 331390090]

約数ペア:

[(1, 331390090), (2, 165695045), (5, 66278018), (10, 33139009), (101, 3281090), (202, 1640545), (505, 656218), (1010, 328109)]