203053825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{821}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 271841976

約数和(自身を除く): 68788151

約数列:

[1, 5, 13, 25, 65, 325, 761, 821, 3805, 4105, 9893, 10673, 19025, 20525, 49465, 53365, 247325, 266825, 624781, 3123905, 8122153, 15619525, 40610765, 203053825]

約数ペア:

[(1, 203053825), (5, 40610765), (13, 15619525), (25, 8122153), (65, 3123905), (325, 624781), (761, 266825), (821, 247325), (3805, 53365), (4105, 49465), (9893, 20525), (10673, 19025)]