81560236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{9497}}^1$

素因数の和:9633

約数の個数: 24

約数和(自身を含む): 151588080

約数和(自身を除く): 70027844

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 4294, 8588, 9497, 18994, 37988, 180443, 360886, 721772, 1073161, 2146322, 4292644, 20390059, 40780118, 81560236]

約数ペア:

[(1, 81560236), (2, 40780118), (4, 20390059), (19, 4292644), (38, 2146322), (76, 1073161), (113, 721772), (226, 360886), (452, 180443), (2147, 37988), (4294, 18994), (8588, 9497)]