27809648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 55913088

約数和(自身を除く): 28103440

約数列:

[1, 2, 4, 8, 16, 43, 83, 86, 166, 172, 332, 344, 487, 664, 688, 974, 1328, 1948, 3569, 3896, 7138, 7792, 14276, 20941, 28552, 40421, 41882, 57104, 80842, 83764, 161684, 167528, 323368, 335056, 646736, 1738103, 3476206, 6952412, 13904824, 27809648]

約数ペア:

[(1, 27809648), (2, 13904824), (4, 6952412), (8, 3476206), (16, 1738103), (43, 646736), (83, 335056), (86, 323368), (166, 167528), (172, 161684), (332, 83764), (344, 80842), (487, 57104), (664, 41882), (688, 40421), (974, 28552), (1328, 20941), (1948, 14276), (3569, 7792), (3896, 7138)]