189908912

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 374551920

約数和(自身を除く): 184643008

約数列:

[1, 2, 4, 8, 16, 89, 178, 193, 356, 386, 691, 712, 772, 1382, 1424, 1544, 2764, 3088, 5528, 11056, 17177, 34354, 61499, 68708, 122998, 133363, 137416, 245996, 266726, 274832, 491992, 533452, 983984, 1066904, 2133808, 11869307, 23738614, 47477228, 94954456, 189908912]

約数ペア:

[(1, 189908912), (2, 94954456), (4, 47477228), (8, 23738614), (16, 11869307), (89, 2133808), (178, 1066904), (193, 983984), (356, 533452), (386, 491992), (691, 274832), (712, 266726), (772, 245996), (1382, 137416), (1424, 133363), (1544, 122998), (2764, 68708), (3088, 61499), (5528, 34354), (11056, 17177)]