81561586

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4233

約数の個数: 16

約数和(自身を含む): 124941600

約数和(自身を除く): 43380014

約数列:

[1, 2, 73, 139, 146, 278, 4019, 8038, 10147, 20294, 293387, 558641, 586774, 1117282, 40780793, 81561586]

約数ペア:

[(1, 81561586), (2, 40780793), (73, 1117282), (139, 586774), (146, 558641), (278, 293387), (4019, 20294), (8038, 10147)]