20161231958

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1\times {\mathrm{21061}}^1$

素因数の和:21848

約数の個数: 32

約数和(自身を含む): 34957528128

約数和(自身を除く): 14796296170

約数列:

[1, 2, 7, 14, 101, 202, 677, 707, 1354, 1414, 4739, 9478, 21061, 42122, 68377, 136754, 147427, 294854, 478639, 957278, 2127161, 4254322, 14258297, 14890127, 28516594, 29780254, 99808079, 199616158, 1440087997, 2880175994, 10080615979, 20161231958]

約数ペア:

[(1, 20161231958), (2, 10080615979), (7, 2880175994), (14, 1440087997), (101, 199616158), (202, 99808079), (677, 29780254), (707, 28516594), (1354, 14890127), (1414, 14258297), (4739, 4254322), (9478, 2127161), (21061, 957278), (42122, 478639), (68377, 294854), (136754, 147427)]