81619916

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126739}}^1$

素因数の和:126773

約数の個数: 24

約数和(自身を含む): 170338560

約数和(自身を除く): 88718644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 126739, 253478, 506956, 887173, 1774346, 2914997, 3548692, 5829994, 11659988, 20404979, 40809958, 81619916]

約数ペア:

[(1, 81619916), (2, 40809958), (4, 20404979), (7, 11659988), (14, 5829994), (23, 3548692), (28, 2914997), (46, 1774346), (92, 887173), (161, 506956), (322, 253478), (644, 126739)]