978020428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3175391}}^1$

素因数の和:3175413

約数の個数: 24

約数和(自身を含む): 2133863424

約数和(自身を除く): 1155842996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 3175391, 6350782, 12701564, 22227737, 34929301, 44455474, 69858602, 88910948, 139717204, 244505107, 489010214, 978020428]

約数ペア:

[(1, 978020428), (2, 489010214), (4, 244505107), (7, 139717204), (11, 88910948), (14, 69858602), (22, 44455474), (28, 34929301), (44, 22227737), (77, 12701564), (154, 6350782), (308, 3175391)]