26931905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5381}}^1$

素因数の和:5417

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 16468543

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 5381, 26905, 37667, 59191, 69953, 188335, 295955, 349765, 414337, 489671, 769483, 2071685, 2448355, 3847415, 5386381, 26931905]

約数ペア:

[(1, 26931905), (5, 5386381), (7, 3847415), (11, 2448355), (13, 2071685), (35, 769483), (55, 489671), (65, 414337), (77, 349765), (91, 295955), (143, 188335), (385, 69953), (455, 59191), (715, 37667), (1001, 26905), (5005, 5381)]