257239510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2338541}}^1$

素因数の和:2338559

約数の個数: 16

約数和(自身を含む): 505125072

約数和(自身を除く): 247885562

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2338541, 4677082, 11692705, 23385410, 25723951, 51447902, 128619755, 257239510]

約数ペア:

[(1, 257239510), (2, 128619755), (5, 51447902), (10, 25723951), (11, 23385410), (22, 11692705), (55, 4677082), (110, 2338541)]