857680327

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{67433}}^1$

素因数の和:67542

約数の個数: 16

約数和(自身を含む): 1035786240

約数和(自身を除く): 178105913

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 67433, 472031, 1550959, 5327207, 10856713, 37290449, 122525761, 857680327]

約数ペア:

[(1, 857680327), (7, 122525761), (23, 37290449), (79, 10856713), (161, 5327207), (553, 1550959), (1817, 472031), (12719, 67433)]