12986750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 28619136

約数和(自身を除く): 15632386

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 181, 205, 250, 287, 350, 362, 410, 574, 875, 905, 1025, 1267, 1435, 1750, 1810, 2050, 2534, 2870, 4525, 5125, 6335, 7175, 7421, 9050, 10250, 12670, 14350, 14842, 22625, 31675, 35875, 37105, 45250, 51947, 63350, 71750, 74210, 103894, 158375, 185525, 259735, 316750, 371050, 519470, 927625, 1298675, 1855250, 2597350, 6493375, 12986750]

約数ペア:

[(1, 12986750), (2, 6493375), (5, 2597350), (7, 1855250), (10, 1298675), (14, 927625), (25, 519470), (35, 371050), (41, 316750), (50, 259735), (70, 185525), (82, 158375), (125, 103894), (175, 74210), (181, 71750), (205, 63350), (250, 51947), (287, 45250), (350, 37105), (362, 35875), (410, 31675), (574, 22625), (875, 14842), (905, 14350), (1025, 12670), (1267, 10250), (1435, 9050), (1750, 7421), (1810, 7175), (2050, 6335), (2534, 5125), (2870, 4525)]