28761612

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 48

約数和(自身を含む): 73920000

約数和(自身を除く): 45158388

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1999, 2398, 3597, 3998, 4796, 5997, 7194, 7996, 11994, 14388, 21989, 23988, 43978, 65967, 87956, 131934, 217891, 263868, 435782, 653673, 871564, 1307346, 2396801, 2614692, 4793602, 7190403, 9587204, 14380806, 28761612]

約数ペア:

[(1, 28761612), (2, 14380806), (3, 9587204), (4, 7190403), (6, 4793602), (11, 2614692), (12, 2396801), (22, 1307346), (33, 871564), (44, 653673), (66, 435782), (109, 263868), (132, 217891), (218, 131934), (327, 87956), (436, 65967), (654, 43978), (1199, 23988), (1308, 21989), (1999, 14388), (2398, 11994), (3597, 7996), (3998, 7194), (4796, 5997)]