257184738

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{840473}}^1$

素因数の和:840498

約数の個数: 24

約数和(自身を含む): 590012748

約数和(自身を除く): 332828010

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 840473, 1680946, 2521419, 5042838, 7564257, 14288041, 15128514, 28576082, 42864123, 85728246, 128592369, 257184738]

約数ペア:

[(1, 257184738), (2, 128592369), (3, 85728246), (6, 42864123), (9, 28576082), (17, 15128514), (18, 14288041), (34, 7564257), (51, 5042838), (102, 2521419), (153, 1680946), (306, 840473)]