278948152

素因数分解:

$2^3\times 7^1\times {\mathrm{4981217}}^1$

素因数の和:4981230

約数の個数: 16

約数和(自身を含む): 597746160

約数和(自身を除く): 318798008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4981217, 9962434, 19924868, 34868519, 39849736, 69737038, 139474076, 278948152]

約数ペア:

[(1, 278948152), (2, 139474076), (4, 69737038), (7, 39849736), (8, 34868519), (14, 19924868), (28, 9962434), (56, 4981217)]