890245870

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{5351}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 1627693056

約数和(自身を除く): 737447186

約数列:

[1, 2, 5, 10, 127, 131, 254, 262, 635, 655, 1270, 1310, 5351, 10702, 16637, 26755, 33274, 53510, 83185, 166370, 679577, 700981, 1359154, 1401962, 3397885, 3504905, 6795770, 7009810, 89024587, 178049174, 445122935, 890245870]

約数ペア:

[(1, 890245870), (2, 445122935), (5, 178049174), (10, 89024587), (127, 7009810), (131, 6795770), (254, 3504905), (262, 3397885), (635, 1401962), (655, 1359154), (1270, 700981), (1310, 679577), (5351, 166370), (10702, 83185), (16637, 53510), (26755, 33274)]