920813896

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{140197}}^1$

素因数の和:141024

約数の個数: 16

約数和(自身を含む): 1728641340

約数和(自身を除く): 807827444

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 140197, 280394, 560788, 1121576, 115101737, 230203474, 460406948, 920813896]

約数ペア:

[(1, 920813896), (2, 460406948), (4, 230203474), (8, 115101737), (821, 1121576), (1642, 560788), (3284, 280394), (6568, 140197)]