28480165

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26249}}^1$

素因数の和:26292

約数の個数: 16

約数和(自身を含む): 40320000

約数和(自身を除く): 11839835

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26249, 131245, 183743, 813719, 918715, 4068595, 5696033, 28480165]

約数ペア:

[(1, 28480165), (5, 5696033), (7, 4068595), (31, 918715), (35, 813719), (155, 183743), (217, 131245), (1085, 26249)]