12664660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^2$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 28306908

約数和(自身を除く): 15642248

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1930, 3281, 3860, 6562, 13124, 16405, 32810, 37249, 65620, 74498, 148996, 186245, 372490, 633233, 744980, 1266466, 2532932, 3166165, 6332330, 12664660]

約数ペア:

[(1, 12664660), (2, 6332330), (4, 3166165), (5, 2532932), (10, 1266466), (17, 744980), (20, 633233), (34, 372490), (68, 186245), (85, 148996), (170, 74498), (193, 65620), (340, 37249), (386, 32810), (772, 16405), (965, 13124), (1930, 6562), (3281, 3860)]