2008095872

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 4108315200

約数和(自身を除く): 2100219328

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 397, 688, 794, 919, 1376, 1588, 1838, 2752, 3176, 3676, 5504, 6352, 7352, 12704, 14704, 17071, 25408, 29408, 34142, 39517, 50816, 58816, 68284, 79034, 117632, 136568, 158068, 273136, 316136, 364843, 546272, 632272, 729686, 1092544, 1264544, 1459372, 2185088, 2529088, 2918744, 5058176, 5837488, 11674976, 15688249, 23349952, 31376498, 46699904, 62752996, 125505992, 251011984, 502023968, 1004047936, 2008095872]

約数ペア:

[(1, 2008095872), (2, 1004047936), (4, 502023968), (8, 251011984), (16, 125505992), (32, 62752996), (43, 46699904), (64, 31376498), (86, 23349952), (128, 15688249), (172, 11674976), (344, 5837488), (397, 5058176), (688, 2918744), (794, 2529088), (919, 2185088), (1376, 1459372), (1588, 1264544), (1838, 1092544), (2752, 729686), (3176, 632272), (3676, 546272), (5504, 364843), (6352, 316136), (7352, 273136), (12704, 158068), (14704, 136568), (17071, 117632), (25408, 79034), (29408, 68284), (34142, 58816), (39517, 50816)]