2220347731

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{50971}}^1$

素因数の和:51119

約数の個数: 16

約数和(自身を含む): 2609766400

約数和(自身を除く): 389418669

約数列:

[1, 7, 49, 127, 343, 889, 6223, 43561, 50971, 356797, 2497579, 6473317, 17483053, 45313219, 317192533, 2220347731]

約数ペア:

[(1, 2220347731), (7, 317192533), (49, 45313219), (127, 17483053), (343, 6473317), (889, 2497579), (6223, 356797), (43561, 50971)]