209467225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4673}}^1$

素因数の和:4857

約数の個数: 24

約数和(自身を含む): 285151392

約数和(自身を除く): 75684167

約数列:

[1, 5, 11, 25, 55, 163, 275, 815, 1793, 4075, 4673, 8965, 23365, 44825, 51403, 116825, 257015, 761699, 1285075, 3808495, 8378689, 19042475, 41893445, 209467225]

約数ペア:

[(1, 209467225), (5, 41893445), (11, 19042475), (25, 8378689), (55, 3808495), (163, 1285075), (275, 761699), (815, 257015), (1793, 116825), (4075, 51403), (4673, 44825), (8965, 23365)]