2149355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 2845920

約数和(自身を除く): 696565

約数列:

[1, 5, 13, 43, 65, 215, 559, 769, 2795, 3845, 9997, 33067, 49985, 165335, 429871, 2149355]

約数ペア:

[(1, 2149355), (5, 429871), (13, 165335), (43, 49985), (65, 33067), (215, 9997), (559, 3845), (769, 2795)]