261004816

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{37159}}^1$

素因数の和:37606

約数の個数: 20

約数和(自身を含む): 506862400

約数和(自身を除く): 245857584

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 37159, 74318, 148636, 297272, 594544, 16312801, 32625602, 65251204, 130502408, 261004816]

約数ペア:

[(1, 261004816), (2, 130502408), (4, 65251204), (8, 32625602), (16, 16312801), (439, 594544), (878, 297272), (1756, 148636), (3512, 74318), (7024, 37159)]