256483218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{18757}}^1$

素因数の和:18858

約数の個数: 32

約数和(自身を含む): 534828096

約数和(自身を除く): 278344878

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 2279, 4558, 6837, 13674, 18757, 37514, 56271, 112542, 806551, 994121, 1613102, 1988242, 2419653, 2982363, 4839306, 5964726, 42747203, 85494406, 128241609, 256483218]

約数ペア:

[(1, 256483218), (2, 128241609), (3, 85494406), (6, 42747203), (43, 5964726), (53, 4839306), (86, 2982363), (106, 2419653), (129, 1988242), (159, 1613102), (258, 994121), (318, 806551), (2279, 112542), (4558, 56271), (6837, 37514), (13674, 18757)]