138974615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{1009}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 181872720

約数和(自身を除く): 42898105

約数列:

[1, 5, 13, 65, 163, 169, 815, 845, 1009, 2119, 5045, 10595, 13117, 27547, 65585, 137735, 164467, 170521, 822335, 852605, 2138071, 10690355, 27794923, 138974615]

約数ペア:

[(1, 138974615), (5, 27794923), (13, 10690355), (65, 2138071), (163, 852605), (169, 822335), (815, 170521), (845, 164467), (1009, 137735), (2119, 65585), (5045, 27547), (10595, 13117)]