1291216626

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1138639}}^1$

素因数の和:1138660

約数の個数: 40

約数和(自身を含む): 3306610560

約数和(自身を除く): 2015393934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 1138639, 2277278, 3415917, 6831834, 7970473, 10247751, 15940946, 20495502, 23911419, 30743253, 47822838, 61486506, 71734257, 92229759, 143468514, 184459518, 215202771, 430405542, 645608313, 1291216626]

約数ペア:

[(1, 1291216626), (2, 645608313), (3, 430405542), (6, 215202771), (7, 184459518), (9, 143468514), (14, 92229759), (18, 71734257), (21, 61486506), (27, 47822838), (42, 30743253), (54, 23911419), (63, 20495502), (81, 15940946), (126, 10247751), (162, 7970473), (189, 6831834), (378, 3415917), (567, 2277278), (1134, 1138639)]