3978064

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2398

約数の個数: 20

約数和(自身を含む): 7781620

約数和(自身を除く): 3803556

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 2281, 4562, 9124, 18248, 36496, 248629, 497258, 994516, 1989032, 3978064]

約数ペア:

[(1, 3978064), (2, 1989032), (4, 994516), (8, 497258), (16, 248629), (109, 36496), (218, 18248), (436, 9124), (872, 4562), (1744, 2281)]