826640854

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{78893}}^1$

素因数の和:78952

約数の個数: 24

約数和(自身を含む): 1386009792

約数和(自身を除く): 559368938

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 78893, 157786, 1025609, 2051218, 2445683, 4891366, 13332917, 26665834, 31793879, 63587758, 413320427, 826640854]

約数ペア:

[(1, 826640854), (2, 413320427), (13, 63587758), (26, 31793879), (31, 26665834), (62, 13332917), (169, 4891366), (338, 2445683), (403, 2051218), (806, 1025609), (5239, 157786), (10478, 78893)]