201895825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16381}}^1$

素因数の和:16437

約数の個数: 24

約数和(自身を含む): 274234680

約数和(自身を除く): 72338855

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 2465, 12325, 16381, 81905, 278477, 409525, 475049, 1392385, 2375245, 6961925, 8075833, 11876225, 40379165, 201895825]

約数ペア:

[(1, 201895825), (5, 40379165), (17, 11876225), (25, 8075833), (29, 6961925), (85, 2375245), (145, 1392385), (425, 475049), (493, 409525), (725, 278477), (2465, 81905), (12325, 16381)]