28136525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^2$

素因数の和:433

約数の個数: 18

約数和(自身を含む): 36276510

約数和(自身を除く): 8139985

約数列:

[1, 5, 25, 29, 145, 197, 725, 985, 4925, 5713, 28565, 38809, 142825, 194045, 970225, 1125461, 5627305, 28136525]

約数ペア:

[(1, 28136525), (5, 5627305), (25, 1125461), (29, 970225), (145, 194045), (197, 142825), (725, 38809), (985, 28565), (4925, 5713)]