81691486

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{25673}}^1$

素因数の和:25755

約数の個数: 16

約数和(自身を含む): 128780784

約数和(自身を除く): 47089298

約数列:

[1, 2, 37, 43, 74, 86, 1591, 3182, 25673, 51346, 949901, 1103939, 1899802, 2207878, 40845743, 81691486]

約数ペア:

[(1, 81691486), (2, 40845743), (37, 2207878), (43, 1899802), (74, 1103939), (86, 949901), (1591, 51346), (3182, 25673)]