81655861

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 94864000

約数和(自身を除く): 13208139

約数列:

[1, 7, 97, 241, 499, 679, 1687, 3493, 23377, 48403, 120259, 163639, 338821, 841813, 11665123, 81655861]

約数ペア:

[(1, 81655861), (7, 11665123), (97, 841813), (241, 338821), (499, 163639), (679, 120259), (1687, 48403), (3493, 23377)]