12130195

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 18547200

約数和(自身を除く): 6417005

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 643, 1715, 2695, 3215, 3773, 4501, 7073, 18865, 22505, 31507, 35365, 49511, 157535, 220549, 247555, 346577, 1102745, 1732885, 2426039, 12130195]

約数ペア:

[(1, 12130195), (5, 2426039), (7, 1732885), (11, 1102745), (35, 346577), (49, 247555), (55, 220549), (77, 157535), (245, 49511), (343, 35365), (385, 31507), (539, 22505), (643, 18865), (1715, 7073), (2695, 4501), (3215, 3773)]