68157947

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 90302688

約数和(自身を除く): 22144741

約数列:

[1, 11, 13, 17, 23, 53, 143, 187, 221, 253, 299, 391, 529, 583, 689, 901, 1219, 2431, 3289, 4301, 5083, 5819, 6877, 7579, 8993, 9911, 11713, 13409, 15847, 20723, 28037, 55913, 75647, 98923, 116909, 128843, 174317, 227953, 269399, 308407, 364481, 476629, 1285999, 2963389, 4009291, 5242919, 6196177, 68157947]

約数ペア:

[(1, 68157947), (11, 6196177), (13, 5242919), (17, 4009291), (23, 2963389), (53, 1285999), (143, 476629), (187, 364481), (221, 308407), (253, 269399), (299, 227953), (391, 174317), (529, 128843), (583, 116909), (689, 98923), (901, 75647), (1219, 55913), (2431, 28037), (3289, 20723), (4301, 15847), (5083, 13409), (5819, 11713), (6877, 9911), (7579, 8993)]