28715533

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21937}}^1$

素因数の和:21972

約数の個数: 16

約数和(自身を含む): 37908864

約数和(自身を除く): 9193331

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 21937, 153559, 241307, 372929, 1689149, 2610503, 4102219, 28715533]

約数ペア:

[(1, 28715533), (7, 4102219), (11, 2610503), (17, 1689149), (77, 372929), (119, 241307), (187, 153559), (1309, 21937)]