209898391

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 224233920

約数和(自身を除く): 14335529

約数列:

[1, 23, 53, 409, 421, 1219, 9407, 9683, 21677, 22313, 172189, 498571, 513199, 3960347, 9126017, 209898391]

約数ペア:

[(1, 209898391), (23, 9126017), (53, 3960347), (409, 513199), (421, 498571), (1219, 172189), (9407, 22313), (9683, 21677)]