2219896

素因数分解:

$2^3\times 7^3\times {\mathrm{809}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2640104

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 809, 1372, 1618, 2744, 3236, 5663, 6472, 11326, 22652, 39641, 45304, 79282, 158564, 277487, 317128, 554974, 1109948, 2219896]

約数ペア:

[(1, 2219896), (2, 1109948), (4, 554974), (7, 317128), (8, 277487), (14, 158564), (28, 79282), (49, 45304), (56, 39641), (98, 22652), (196, 11326), (343, 6472), (392, 5663), (686, 3236), (809, 2744), (1372, 1618)]