871988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 1687560

約数和(自身を除く): 815572

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 409, 533, 818, 1066, 1636, 2132, 5317, 10634, 16769, 21268, 33538, 67076, 217997, 435994, 871988]

約数ペア:

[(1, 871988), (2, 435994), (4, 217997), (13, 67076), (26, 33538), (41, 21268), (52, 16769), (82, 10634), (164, 5317), (409, 2132), (533, 1636), (818, 1066)]