80025967

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 100320000

約数和(自身を除く): 20294033

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 1999, 2107, 5719, 13993, 37981, 40033, 85957, 97951, 265867, 601699, 1633183, 1861069, 4211893, 11432281, 80025967]

約数ペア:

[(1, 80025967), (7, 11432281), (19, 4211893), (43, 1861069), (49, 1633183), (133, 601699), (301, 265867), (817, 97951), (931, 85957), (1999, 40033), (2107, 37981), (5719, 13993)]