81670631

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 102187008

約数和(自身を除く): 20516377

約数列:

[1, 7, 23, 43, 47, 161, 251, 301, 329, 989, 1081, 1757, 2021, 5773, 6923, 7567, 10793, 11797, 14147, 40411, 46483, 75551, 82579, 248239, 271331, 325381, 507271, 1737673, 1899317, 3550897, 11667233, 81670631]

約数ペア:

[(1, 81670631), (7, 11667233), (23, 3550897), (43, 1899317), (47, 1737673), (161, 507271), (251, 325381), (301, 271331), (329, 248239), (989, 82579), (1081, 75551), (1757, 46483), (2021, 40411), (5773, 14147), (6923, 11797), (7567, 10793)]