25894815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 44647680

約数和(自身を除く): 18752865

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2113, 2451, 4085, 6339, 10565, 12255, 31695, 40147, 90859, 120441, 200735, 272577, 454295, 602205, 1362885, 1726321, 5178963, 8631605, 25894815]

約数ペア:

[(1, 25894815), (3, 8631605), (5, 5178963), (15, 1726321), (19, 1362885), (43, 602205), (57, 454295), (95, 272577), (129, 200735), (215, 120441), (285, 90859), (645, 40147), (817, 31695), (2113, 12255), (2451, 10565), (4085, 6339)]