81325948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{2203}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 155514240

約数和(自身を除く): 74188292

約数列:

[1, 2, 4, 11, 22, 44, 839, 1678, 2203, 3356, 4406, 8812, 9229, 18458, 24233, 36916, 48466, 96932, 1848317, 3696634, 7393268, 20331487, 40662974, 81325948]

約数ペア:

[(1, 81325948), (2, 40662974), (4, 20331487), (11, 7393268), (22, 3696634), (44, 1848317), (839, 96932), (1678, 48466), (2203, 36916), (3356, 24233), (4406, 18458), (8812, 9229)]