131531824

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{79813}}^1$

素因数の和:79924

約数の個数: 20

約数和(自身を含む): 257320336

約数和(自身を除く): 125788512

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 79813, 159626, 319252, 638504, 1277008, 8220739, 16441478, 32882956, 65765912, 131531824]

約数ペア:

[(1, 131531824), (2, 65765912), (4, 32882956), (8, 16441478), (16, 8220739), (103, 1277008), (206, 638504), (412, 319252), (824, 159626), (1648, 79813)]