390198508

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{262937}}^1$

素因数の和:263001

約数の個数: 24

約数和(自身を含む): 795124512

約数和(自身を除く): 404926004

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 262937, 525874, 1051748, 1840559, 3681118, 7362236, 13935661, 27871322, 55742644, 97549627, 195099254, 390198508]

約数ペア:

[(1, 390198508), (2, 195099254), (4, 97549627), (7, 55742644), (14, 27871322), (28, 13935661), (53, 7362236), (106, 3681118), (212, 1840559), (371, 1051748), (742, 525874), (1484, 262937)]