64219490

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{18401}}^1$

素因数の和:18757

約数の個数: 16

約数和(自身を含む): 115932600

約数和(自身を除く): 51713110

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 18401, 36802, 92005, 184010, 6421949, 12843898, 32109745, 64219490]

約数ペア:

[(1, 64219490), (2, 32109745), (5, 12843898), (10, 6421949), (349, 184010), (698, 92005), (1745, 36802), (3490, 18401)]