1971292687

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1021}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 2483868800

約数和(自身を除く): 512576113

約数列:

[1, 7, 13, 49, 91, 343, 433, 637, 1021, 3031, 4459, 5629, 7147, 13273, 21217, 39403, 50029, 92911, 148519, 275821, 350203, 442093, 650377, 1930747, 3094651, 4552639, 5747209, 21662557, 40230463, 151637899, 281613241, 1971292687]

約数ペア:

[(1, 1971292687), (7, 281613241), (13, 151637899), (49, 40230463), (91, 21662557), (343, 5747209), (433, 4552639), (637, 3094651), (1021, 1930747), (3031, 650377), (4459, 442093), (5629, 350203), (7147, 275821), (13273, 148519), (21217, 92911), (39403, 50029)]