81495128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71237}}^1$

素因数の和:71267

約数の個数: 32

約数和(自身を含む): 179519760

約数和(自身を除く): 98024632

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 71237, 142474, 284948, 569896, 783607, 926081, 1567214, 1852162, 3134428, 3704324, 6268856, 7408648, 10186891, 20373782, 40747564, 81495128]

約数ペア:

[(1, 81495128), (2, 40747564), (4, 20373782), (8, 10186891), (11, 7408648), (13, 6268856), (22, 3704324), (26, 3134428), (44, 1852162), (52, 1567214), (88, 926081), (104, 783607), (143, 569896), (286, 284948), (572, 142474), (1144, 71237)]