1820644

素因数分解:

$2^2\times 7^3\times {\mathrm{1327}}^1$

素因数の和:1352

約数の個数: 24

約数和(自身を含む): 3718400

約数和(自身を除く): 1897756

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1327, 1372, 2654, 5308, 9289, 18578, 37156, 65023, 130046, 260092, 455161, 910322, 1820644]

約数ペア:

[(1, 1820644), (2, 910322), (4, 455161), (7, 260092), (14, 130046), (28, 65023), (49, 37156), (98, 18578), (196, 9289), (343, 5308), (686, 2654), (1327, 1372)]