81025784

素因数分解:

$2^3\times 7^1\times {\mathrm{1446889}}^1$

素因数の和:1446902

約数の個数: 16

約数和(自身を含む): 173626800

約数和(自身を除く): 92601016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1446889, 2893778, 5787556, 10128223, 11575112, 20256446, 40512892, 81025784]

約数ペア:

[(1, 81025784), (2, 40512892), (4, 20256446), (7, 11575112), (8, 10128223), (14, 5787556), (28, 2893778), (56, 1446889)]