249400319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{72269}}^1$

素因数の和:72322

約数の個数: 16

約数和(自身を含む): 312206400

約数和(自身を除く): 62806081

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 72269, 505883, 1228573, 2095801, 8600011, 14670607, 35628617, 249400319]

約数ペア:

[(1, 249400319), (7, 35628617), (17, 14670607), (29, 8600011), (119, 2095801), (203, 1228573), (493, 505883), (3451, 72269)]