989012425

素因数分解:

$5^2\times {\mathrm{1237}}^1\times {\mathrm{31981}}^1$

素因数の和:33228

約数の個数: 12

約数和(自身を含む): 1227405196

約数和(自身を除く): 238392771

約数列:

[1, 5, 25, 1237, 6185, 30925, 31981, 159905, 799525, 39560497, 197802485, 989012425]

約数ペア:

[(1, 989012425), (5, 197802485), (25, 39560497), (1237, 799525), (6185, 159905), (30925, 31981)]