85821815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{6863}}^1$

素因数の和:6970

約数の個数: 16

約数和(自身を含む): 107243136

約数和(自身を除く): 21421321

約数列:

[1, 5, 41, 61, 205, 305, 2501, 6863, 12505, 34315, 281383, 418643, 1406915, 2093215, 17164363, 85821815]

約数ペア:

[(1, 85821815), (5, 17164363), (41, 2093215), (61, 1406915), (205, 418643), (305, 281383), (2501, 34315), (6863, 12505)]