1642203485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{87421}}^1$

素因数の和:87473

約数の個数: 24

約数和(自身を含む): 2254438536

約数和(自身を除く): 612235051

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 18785, 87421, 437105, 1136473, 1486157, 5682365, 7430785, 19320041, 25264669, 96600205, 126323345, 328440697, 1642203485]

約数ペア:

[(1, 1642203485), (5, 328440697), (13, 126323345), (17, 96600205), (65, 25264669), (85, 19320041), (221, 7430785), (289, 5682365), (1105, 1486157), (1445, 1136473), (3757, 437105), (18785, 87421)]