426974864

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{620603}}^1$

素因数の和:620654

約数の個数: 20

約数和(自身を含む): 846503856

約数和(自身を除く): 419528992

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 620603, 1241206, 2482412, 4964824, 9929648, 26685929, 53371858, 106743716, 213487432, 426974864]

約数ペア:

[(1, 426974864), (2, 213487432), (4, 106743716), (8, 53371858), (16, 26685929), (43, 9929648), (86, 4964824), (172, 2482412), (344, 1241206), (688, 620603)]