3981380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15313}}^1$

素因数の和:15335

約数の個数: 24

約数和(自身を含む): 9004632

約数和(自身を除く): 5023252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15313, 30626, 61252, 76565, 153130, 199069, 306260, 398138, 796276, 995345, 1990690, 3981380]

約数ペア:

[(1, 3981380), (2, 1990690), (4, 995345), (5, 796276), (10, 398138), (13, 306260), (20, 199069), (26, 153130), (52, 76565), (65, 61252), (130, 30626), (260, 15313)]