81414866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 137507328

約数和(自身を除く): 56092462

約数列:

[1, 2, 13, 26, 31, 62, 83, 166, 403, 806, 1079, 1217, 2158, 2434, 2573, 5146, 15821, 31642, 33449, 37727, 66898, 75454, 101011, 202022, 490451, 980902, 1313143, 2626286, 3131341, 6262682, 40707433, 81414866]

約数ペア:

[(1, 81414866), (2, 40707433), (13, 6262682), (26, 3131341), (31, 2626286), (62, 1313143), (83, 980902), (166, 490451), (403, 202022), (806, 101011), (1079, 75454), (1217, 66898), (2158, 37727), (2434, 33449), (2573, 31642), (5146, 15821)]