8680721

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 10235904

約数和(自身を除く): 1555183

約数列:

[1, 7, 67, 83, 223, 469, 581, 1561, 5561, 14941, 18509, 38927, 104587, 129563, 1240103, 8680721]

約数ペア:

[(1, 8680721), (7, 1240103), (67, 129563), (83, 104587), (223, 38927), (469, 18509), (581, 14941), (1561, 5561)]