199445816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 401448960

約数和(自身を除く): 202003144

約数列:

[1, 2, 4, 8, 31, 47, 62, 71, 94, 124, 142, 188, 241, 248, 284, 376, 482, 568, 964, 1457, 1928, 2201, 2914, 3337, 4402, 5828, 6674, 7471, 8804, 11327, 11656, 13348, 14942, 17111, 17608, 22654, 26696, 29884, 34222, 45308, 59768, 68444, 90616, 103447, 136888, 206894, 351137, 413788, 530441, 702274, 804217, 827576, 1060882, 1404548, 1608434, 2121764, 2809096, 3216868, 4243528, 6433736, 24930727, 49861454, 99722908, 199445816]

約数ペア:

[(1, 199445816), (2, 99722908), (4, 49861454), (8, 24930727), (31, 6433736), (47, 4243528), (62, 3216868), (71, 2809096), (94, 2121764), (124, 1608434), (142, 1404548), (188, 1060882), (241, 827576), (248, 804217), (284, 702274), (376, 530441), (482, 413788), (568, 351137), (964, 206894), (1457, 136888), (1928, 103447), (2201, 90616), (2914, 68444), (3337, 59768), (4402, 45308), (5828, 34222), (6674, 29884), (7471, 26696), (8804, 22654), (11327, 17608), (11656, 17111), (13348, 14942)]