28751455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 35632800

約数和(自身を除く): 6881345

約数列:

[1, 5, 41, 139, 205, 695, 1009, 5045, 5699, 28495, 41369, 140251, 206845, 701255, 5750291, 28751455]

約数ペア:

[(1, 28751455), (5, 5750291), (41, 701255), (139, 206845), (205, 140251), (695, 41369), (1009, 28495), (5045, 5699)]