2540779871

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1571}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 3114823680

約数和(自身を除く): 574043809

約数列:

[1, 7, 29, 31, 203, 217, 257, 899, 1571, 1799, 6293, 7453, 7967, 10997, 45559, 48701, 52171, 55769, 231043, 318913, 340907, 403747, 1412329, 1617301, 2826229, 9886303, 11708663, 12516157, 81960641, 87613099, 362968553, 2540779871]

約数ペア:

[(1, 2540779871), (7, 362968553), (29, 87613099), (31, 81960641), (203, 12516157), (217, 11708663), (257, 9886303), (899, 2826229), (1571, 1617301), (1799, 1412329), (6293, 403747), (7453, 340907), (7967, 318913), (10997, 231043), (45559, 55769), (48701, 52171)]