81984695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{8353}}^1$

素因数の和:8522

約数の個数: 16

約数和(自身を含む): 106663872

約数和(自身を除く): 24679177

約数列:

[1, 5, 13, 65, 151, 755, 1963, 8353, 9815, 41765, 108589, 542945, 1261303, 6306515, 16396939, 81984695]

約数ペア:

[(1, 81984695), (5, 16396939), (13, 6306515), (65, 1261303), (151, 542945), (755, 108589), (1963, 41765), (8353, 9815)]