391342465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1\times {\mathrm{3023}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 497726208

約数和(自身を除く): 106383743

約数列:

[1, 5, 17, 85, 1523, 3023, 7615, 15115, 25891, 51391, 129455, 256955, 4604029, 23020145, 78268493, 391342465]

約数ペア:

[(1, 391342465), (5, 78268493), (17, 23020145), (85, 4604029), (1523, 256955), (3023, 129455), (7615, 51391), (15115, 25891)]