12861472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15080288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 719, 1118, 1376, 1438, 2236, 2876, 4472, 5752, 8944, 9347, 11504, 17888, 18694, 23008, 30917, 37388, 61834, 74776, 123668, 149552, 247336, 299104, 401921, 494672, 803842, 989344, 1607684, 3215368, 6430736, 12861472]

約数ペア:

[(1, 12861472), (2, 6430736), (4, 3215368), (8, 1607684), (13, 989344), (16, 803842), (26, 494672), (32, 401921), (43, 299104), (52, 247336), (86, 149552), (104, 123668), (172, 74776), (208, 61834), (344, 37388), (416, 30917), (559, 23008), (688, 18694), (719, 17888), (1118, 11504), (1376, 9347), (1438, 8944), (2236, 5752), (2876, 4472)]