213157225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{95801}}^1$

素因数の和:95900

約数の個数: 12

約数和(自身を含む): 267287580

約数和(自身を除く): 54130355

約数列:

[1, 5, 25, 89, 445, 2225, 95801, 479005, 2395025, 8526289, 42631445, 213157225]

約数ペア:

[(1, 213157225), (5, 42631445), (25, 8526289), (89, 2395025), (445, 479005), (2225, 95801)]