12797785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 20627712

約数和(自身を除く): 7829927

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 2557, 5005, 12785, 17899, 28127, 33241, 89495, 140635, 166205, 196889, 232687, 365651, 984445, 1163435, 1828255, 2559557, 12797785]

約数ペア:

[(1, 12797785), (5, 2559557), (7, 1828255), (11, 1163435), (13, 984445), (35, 365651), (55, 232687), (65, 196889), (77, 166205), (91, 140635), (143, 89495), (385, 33241), (455, 28127), (715, 17899), (1001, 12785), (2557, 5005)]