16782556

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 35126784

約数和(自身を除く): 18344228

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 263, 301, 371, 526, 602, 742, 1052, 1204, 1484, 1841, 2279, 3682, 4558, 7364, 9116, 11309, 13939, 15953, 22618, 27878, 31906, 45236, 55756, 63812, 79163, 97573, 158326, 195146, 316652, 390292, 599377, 1198754, 2397508, 4195639, 8391278, 16782556]

約数ペア:

[(1, 16782556), (2, 8391278), (4, 4195639), (7, 2397508), (14, 1198754), (28, 599377), (43, 390292), (53, 316652), (86, 195146), (106, 158326), (172, 97573), (212, 79163), (263, 63812), (301, 55756), (371, 45236), (526, 31906), (602, 27878), (742, 22618), (1052, 15953), (1204, 13939), (1484, 11309), (1841, 9116), (2279, 7364), (3682, 4558)]