317340425

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{123239}}^1$

素因数の和:123352

約数の個数: 12

約数和(自身を含む): 397325760

約数和(自身を除く): 79985335

約数列:

[1, 5, 25, 103, 515, 2575, 123239, 616195, 3080975, 12693617, 63468085, 317340425]

約数ペア:

[(1, 317340425), (5, 63468085), (25, 12693617), (103, 3080975), (515, 616195), (2575, 123239)]