2809212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 7644672

約数和(自身を除く): 4835460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 631, 636, 742, 1113, 1262, 1484, 1893, 2226, 2524, 3786, 4417, 4452, 7572, 8834, 13251, 17668, 26502, 33443, 53004, 66886, 100329, 133772, 200658, 234101, 401316, 468202, 702303, 936404, 1404606, 2809212]

約数ペア:

[(1, 2809212), (2, 1404606), (3, 936404), (4, 702303), (6, 468202), (7, 401316), (12, 234101), (14, 200658), (21, 133772), (28, 100329), (42, 66886), (53, 53004), (84, 33443), (106, 26502), (159, 17668), (212, 13251), (318, 8834), (371, 7572), (631, 4452), (636, 4417), (742, 3786), (1113, 2524), (1262, 2226), (1484, 1893)]