10891855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 14874048

約数和(自身を除く): 3982193

約数列:

[1, 5, 13, 41, 61, 65, 67, 205, 305, 335, 533, 793, 871, 2501, 2665, 2747, 3965, 4087, 4355, 12505, 13735, 20435, 32513, 35711, 53131, 162565, 167567, 178555, 265655, 837835, 2178371, 10891855]

約数ペア:

[(1, 10891855), (5, 2178371), (13, 837835), (41, 265655), (61, 178555), (65, 167567), (67, 162565), (205, 53131), (305, 35711), (335, 32513), (533, 20435), (793, 13735), (871, 12505), (2501, 4355), (2665, 4087), (2747, 3965)]