139000556

素因数分解:

$2^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 252516600

約数和(自身を除く): 113516044

約数列:

[1, 2, 4, 53, 89, 106, 139, 178, 212, 278, 356, 556, 2809, 4717, 5618, 7367, 9434, 11236, 12371, 14734, 18868, 24742, 29468, 49484, 250001, 390451, 500002, 655663, 780902, 1000004, 1311326, 1561804, 2622652, 34750139, 69500278, 139000556]

約数ペア:

[(1, 139000556), (2, 69500278), (4, 34750139), (53, 2622652), (89, 1561804), (106, 1311326), (139, 1000004), (178, 780902), (212, 655663), (278, 500002), (356, 390451), (556, 250001), (2809, 49484), (4717, 29468), (5618, 24742), (7367, 18868), (9434, 14734), (11236, 12371)]