3967451999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{254047}}^1$

素因数の和:254174

約数の個数: 16

約数和(自身を含む): 4780167168

約数和(自身を除く): 812715169

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 254047, 1778329, 5843081, 24642559, 40901567, 172497913, 566778857, 3967451999]

約数ペア:

[(1, 3967451999), (7, 566778857), (23, 172497913), (97, 40901567), (161, 24642559), (679, 5843081), (2231, 1778329), (15617, 254047)]