262156895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{52379}}^1$

素因数の和:52415

約数の個数: 32

約数和(自身を含む): 422392320

約数和(自身を除く): 160235425

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 52379, 261895, 366653, 576169, 680927, 1833265, 2880845, 3404635, 4033183, 4766489, 7490197, 20165915, 23832445, 37450985, 52431379, 262156895]

約数ペア:

[(1, 262156895), (5, 52431379), (7, 37450985), (11, 23832445), (13, 20165915), (35, 7490197), (55, 4766489), (65, 4033183), (77, 3404635), (91, 2880845), (143, 1833265), (385, 680927), (455, 576169), (715, 366653), (1001, 261895), (5005, 52379)]