81640639

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 89303040

約数和(自身を除く): 7662401

約数列:

[1, 23, 31, 67, 713, 1541, 1709, 2077, 39307, 47771, 52979, 114503, 1218517, 2633569, 3549593, 81640639]

約数ペア:

[(1, 81640639), (23, 3549593), (31, 2633569), (67, 1218517), (713, 114503), (1541, 52979), (1709, 47771), (2077, 39307)]