1001984255

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{6521}}^1$

素因数の和:6994

約数の個数: 16

約数和(自身を含む): 1220918400

約数和(自身を除く): 218934145

約数列:

[1, 5, 79, 389, 395, 1945, 6521, 30731, 32605, 153655, 515159, 2536669, 2575795, 12683345, 200396851, 1001984255]

約数ペア:

[(1, 1001984255), (5, 200396851), (79, 12683345), (389, 2575795), (395, 2536669), (1945, 515159), (6521, 153655), (30731, 32605)]