81997190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10499}}^1$

素因数の和:10588

約数の個数: 32

約数和(自身を含む): 163296000

約数和(自身を除く): 81298810

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 10499, 20998, 52495, 104990, 115489, 230978, 577445, 745429, 1154890, 1490858, 3727145, 7454290, 8199719, 16399438, 40998595, 81997190]

約数ペア:

[(1, 81997190), (2, 40998595), (5, 16399438), (10, 8199719), (11, 7454290), (22, 3727145), (55, 1490858), (71, 1154890), (110, 745429), (142, 577445), (355, 230978), (710, 115489), (781, 104990), (1562, 52495), (3905, 20998), (7810, 10499)]