13221656

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1319}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 15290344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1319, 1432, 2506, 2638, 5012, 5276, 9233, 10024, 10552, 18466, 36932, 73864, 236101, 472202, 944404, 1652707, 1888808, 3305414, 6610828, 13221656]

約数ペア:

[(1, 13221656), (2, 6610828), (4, 3305414), (7, 1888808), (8, 1652707), (14, 944404), (28, 472202), (56, 236101), (179, 73864), (358, 36932), (716, 18466), (1253, 10552), (1319, 10024), (1432, 9233), (2506, 5276), (2638, 5012)]