140746256

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6379}}^1$

素因数の和:6591

約数の個数: 40

約数和(自身を含む): 313283520

約数和(自身を除く): 172537264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 5516, 6379, 11032, 12758, 22064, 25516, 44653, 51032, 89306, 102064, 178612, 357224, 714448, 1256663, 2513326, 5026652, 8796641, 10053304, 17593282, 20106608, 35186564, 70373128, 140746256]

約数ペア:

[(1, 140746256), (2, 70373128), (4, 35186564), (7, 20106608), (8, 17593282), (14, 10053304), (16, 8796641), (28, 5026652), (56, 2513326), (112, 1256663), (197, 714448), (394, 357224), (788, 178612), (1379, 102064), (1576, 89306), (2758, 51032), (3152, 44653), (5516, 25516), (6379, 22064), (11032, 12758)]