12966736

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 26319744

約数和(自身を除く): 13353008

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 401, 688, 752, 802, 1604, 2021, 3208, 4042, 6416, 8084, 16168, 17243, 18847, 32336, 34486, 37694, 68972, 75388, 137944, 150776, 275888, 301552, 810421, 1620842, 3241684, 6483368, 12966736]

約数ペア:

[(1, 12966736), (2, 6483368), (4, 3241684), (8, 1620842), (16, 810421), (43, 301552), (47, 275888), (86, 150776), (94, 137944), (172, 75388), (188, 68972), (344, 37694), (376, 34486), (401, 32336), (688, 18847), (752, 17243), (802, 16168), (1604, 8084), (2021, 6416), (3208, 4042)]