28570157

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 7818643

約数列:

[1, 7, 11, 77, 89, 121, 379, 623, 847, 979, 2653, 4169, 6853, 10769, 29183, 33731, 45859, 75383, 236117, 321013, 371041, 2597287, 4081451, 28570157]

約数ペア:

[(1, 28570157), (7, 4081451), (11, 2597287), (77, 371041), (89, 321013), (121, 236117), (379, 75383), (623, 45859), (847, 33731), (979, 29183), (2653, 10769), (4169, 6853)]