210498215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2099}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 261273600

約数和(自身を除く): 50775385

約数列:

[1, 5, 31, 155, 647, 2099, 3235, 10495, 20057, 65069, 100285, 325345, 1358053, 6790265, 42099643, 210498215]

約数ペア:

[(1, 210498215), (5, 42099643), (31, 6790265), (155, 1358053), (647, 325345), (2099, 100285), (3235, 65069), (10495, 20057)]