81158237

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 87160320

約数和(自身を除く): 6002083

約数列:

[1, 23, 47, 193, 389, 1081, 4439, 8947, 9071, 18283, 75077, 208633, 420509, 1726771, 3528619, 81158237]

約数ペア:

[(1, 81158237), (23, 3528619), (47, 1726771), (193, 420509), (389, 208633), (1081, 75077), (4439, 18283), (8947, 9071)]