2782816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 6048000

約数和(自身を除く): 3265184

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 199, 304, 368, 398, 437, 608, 736, 796, 874, 1592, 1748, 3184, 3496, 3781, 4577, 6368, 6992, 7562, 9154, 13984, 15124, 18308, 30248, 36616, 60496, 73232, 86963, 120992, 146464, 173926, 347852, 695704, 1391408, 2782816]

約数ペア:

[(1, 2782816), (2, 1391408), (4, 695704), (8, 347852), (16, 173926), (19, 146464), (23, 120992), (32, 86963), (38, 73232), (46, 60496), (76, 36616), (92, 30248), (152, 18308), (184, 15124), (199, 13984), (304, 9154), (368, 7562), (398, 6992), (437, 6368), (608, 4577), (736, 3781), (796, 3496), (874, 3184), (1592, 1748)]