90830990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{221539}}^1$

素因数の和:221587

約数の個数: 16

約数和(自身を含む): 167484240

約数和(自身を除く): 76653250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 221539, 443078, 1107695, 2215390, 9083099, 18166198, 45415495, 90830990]

約数ペア:

[(1, 90830990), (2, 45415495), (5, 18166198), (10, 9083099), (41, 2215390), (82, 1107695), (205, 443078), (410, 221539)]