138850376

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 310089600

約数和(自身を除く): 171239224

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 193, 203, 232, 386, 406, 443, 772, 812, 886, 1351, 1544, 1624, 1772, 2702, 3101, 3544, 5404, 5597, 6202, 10808, 11194, 12404, 12847, 22388, 24808, 25694, 39179, 44776, 51388, 78358, 85499, 89929, 102776, 156716, 170998, 179858, 313432, 341996, 359716, 598493, 683992, 719432, 1196986, 2393972, 2479471, 4787944, 4958942, 9917884, 17356297, 19835768, 34712594, 69425188, 138850376]

約数ペア:

[(1, 138850376), (2, 69425188), (4, 34712594), (7, 19835768), (8, 17356297), (14, 9917884), (28, 4958942), (29, 4787944), (56, 2479471), (58, 2393972), (116, 1196986), (193, 719432), (203, 683992), (232, 598493), (386, 359716), (406, 341996), (443, 313432), (772, 179858), (812, 170998), (886, 156716), (1351, 102776), (1544, 89929), (1624, 85499), (1772, 78358), (2702, 51388), (3101, 44776), (3544, 39179), (5404, 25694), (5597, 24808), (6202, 22388), (10808, 12847), (11194, 12404)]