12457768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 12742232

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 1999, 3116, 3998, 6232, 7996, 15992, 37981, 75962, 81959, 151924, 163918, 303848, 327836, 655672, 1557221, 3114442, 6228884, 12457768]

約数ペア:

[(1, 12457768), (2, 6228884), (4, 3114442), (8, 1557221), (19, 655672), (38, 327836), (41, 303848), (76, 163918), (82, 151924), (152, 81959), (164, 75962), (328, 37981), (779, 15992), (1558, 7996), (1999, 6232), (3116, 3998)]