8889420272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{12920669}}^1$

素因数の和:12920720

約数の個数: 20

約数和(自身を含む): 17623793880

約数和(自身を除く): 8734373608

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 12920669, 25841338, 51682676, 103365352, 206730704, 555588767, 1111177534, 2222355068, 4444710136, 8889420272]

約数ペア:

[(1, 8889420272), (2, 4444710136), (4, 2222355068), (8, 1111177534), (16, 555588767), (43, 206730704), (86, 103365352), (172, 51682676), (344, 25841338), (688, 12920669)]