291210157

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{2927}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 339835392

約数和(自身を除く): 48625235

約数列:

[1, 7, 61, 233, 427, 1631, 2927, 14213, 20489, 99491, 178547, 681991, 1249829, 4773937, 41601451, 291210157]

約数ペア:

[(1, 291210157), (7, 41601451), (61, 4773937), (233, 1249829), (427, 681991), (1631, 178547), (2927, 99491), (14213, 20489)]