138279316

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{69557}}^1$

素因数の和:69639

約数の個数: 24

約数和(自身を含む): 280457856

約数和(自身を除く): 142178540

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 69557, 139114, 278228, 486899, 973798, 1947596, 4938547, 9877094, 19754188, 34569829, 69139658, 138279316]

約数ペア:

[(1, 138279316), (2, 69139658), (4, 34569829), (7, 19754188), (14, 9877094), (28, 4938547), (71, 1947596), (142, 973798), (284, 486899), (497, 278228), (994, 139114), (1988, 69557)]