81202042

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{1873}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 124471080

約数和(自身を除く): 43269038

約数列:

[1, 2, 53, 106, 409, 818, 1873, 3746, 21677, 43354, 99269, 198538, 766057, 1532114, 40601021, 81202042]

約数ペア:

[(1, 81202042), (2, 40601021), (53, 1532114), (106, 766057), (409, 198538), (818, 99269), (1873, 43354), (3746, 21677)]