218914270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1287731}}^1$

素因数の和:1287755

約数の個数: 16

約数和(自身を含む): 417225168

約数和(自身を除く): 198310898

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1287731, 2575462, 6438655, 12877310, 21891427, 43782854, 109457135, 218914270]

約数ペア:

[(1, 218914270), (2, 109457135), (5, 43782854), (10, 21891427), (17, 12877310), (34, 6438655), (85, 2575462), (170, 1287731)]