2013128478

素因数分解:

$2^1\times 3^4\times {\mathrm{491}}^1\times {\mathrm{25309}}^1$

素因数の和:25814

約数の個数: 40

約数和(自身を含む): 4520264760

約数和(自身を除く): 2507136282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 491, 982, 1473, 2946, 4419, 8838, 13257, 25309, 26514, 39771, 50618, 75927, 79542, 151854, 227781, 455562, 683343, 1366686, 2050029, 4100058, 12426719, 24853438, 37280157, 74560314, 111840471, 223680942, 335521413, 671042826, 1006564239, 2013128478]

約数ペア:

[(1, 2013128478), (2, 1006564239), (3, 671042826), (6, 335521413), (9, 223680942), (18, 111840471), (27, 74560314), (54, 37280157), (81, 24853438), (162, 12426719), (491, 4100058), (982, 2050029), (1473, 1366686), (2946, 683343), (4419, 455562), (8838, 227781), (13257, 151854), (25309, 79542), (26514, 75927), (39771, 50618)]