199105865

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{17291}}^1$

素因数の和:17357

約数の個数: 24

約数和(自身を含む): 283865472

約数和(自身を除く): 84759607

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 11515, 17291, 86455, 121037, 605185, 812677, 847259, 4063385, 4236295, 5688739, 28443695, 39821173, 199105865]

約数ペア:

[(1, 199105865), (5, 39821173), (7, 28443695), (35, 5688739), (47, 4236295), (49, 4063385), (235, 847259), (245, 812677), (329, 605185), (1645, 121037), (2303, 86455), (11515, 17291)]