8921425

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 18

約数和(自身を含む): 11384502

約数和(自身を除く): 2463077

約数列:

[1, 5, 25, 43, 193, 215, 965, 1075, 1849, 4825, 8299, 9245, 41495, 46225, 207475, 356857, 1784285, 8921425]

約数ペア:

[(1, 8921425), (5, 1784285), (25, 356857), (43, 207475), (193, 46225), (215, 41495), (965, 9245), (1075, 8299), (1849, 4825)]