208696490

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{16981}}^1$

素因数の和:18217

約数の個数: 16

約数和(自身を含む): 375981480

約数和(自身を除く): 167284990

約数列:

[1, 2, 5, 10, 1229, 2458, 6145, 12290, 16981, 33962, 84905, 169810, 20869649, 41739298, 104348245, 208696490]

約数ペア:

[(1, 208696490), (2, 104348245), (5, 41739298), (10, 20869649), (1229, 169810), (2458, 84905), (6145, 33962), (12290, 16981)]