1640351687

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 1812393936

約数和(自身を除く): 172042249

約数列:

[1, 13, 67, 169, 317, 457, 871, 4121, 5941, 11323, 21239, 30619, 53573, 77233, 144869, 276107, 398047, 1883297, 3589391, 5174611, 9706223, 24482861, 126180899, 1640351687]

約数ペア:

[(1, 1640351687), (13, 126180899), (67, 24482861), (169, 9706223), (317, 5174611), (457, 3589391), (871, 1883297), (4121, 398047), (5941, 276107), (11323, 144869), (21239, 77233), (30619, 53573)]