28456931209

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{217081}}^1$

素因数の和:217456

約数の個数: 16

約数和(自身を含む): 33163182976

約数和(自身を除く): 4706251767

約数列:

[1, 7, 61, 307, 427, 2149, 18727, 131089, 217081, 1519567, 13241941, 66643867, 92693587, 466507069, 4065275887, 28456931209]

約数ペア:

[(1, 28456931209), (7, 4065275887), (61, 466507069), (307, 92693587), (427, 66643867), (2149, 13241941), (18727, 1519567), (131089, 217081)]