198907735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{180007}}^1$

素因数の和:180042

約数の個数: 16

約数和(自身を含む): 272172096

約数和(自身を除く): 73264361

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 180007, 900035, 2340091, 3060119, 11700455, 15300595, 39781547, 198907735]

約数ペア:

[(1, 198907735), (5, 39781547), (13, 15300595), (17, 11700455), (65, 3060119), (85, 2340091), (221, 900035), (1105, 180007)]