213072052

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 399168000

約数和(自身を除く): 186095948

約数列:

[1, 2, 4, 31, 43, 62, 86, 89, 124, 172, 178, 356, 449, 898, 1333, 1796, 2666, 2759, 3827, 5332, 5518, 7654, 11036, 13919, 15308, 19307, 27838, 38614, 39961, 55676, 77228, 79922, 118637, 159844, 237274, 474548, 598517, 1197034, 1238791, 1718323, 2394068, 2477582, 3436646, 4955164, 6873292, 53268013, 106536026, 213072052]

約数ペア:

[(1, 213072052), (2, 106536026), (4, 53268013), (31, 6873292), (43, 4955164), (62, 3436646), (86, 2477582), (89, 2394068), (124, 1718323), (172, 1238791), (178, 1197034), (356, 598517), (449, 474548), (898, 237274), (1333, 159844), (1796, 118637), (2666, 79922), (2759, 77228), (3827, 55676), (5332, 39961), (5518, 38614), (7654, 27838), (11036, 19307), (13919, 15308)]