2157511681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{27739}}^1$

素因数の和:27976

約数の個数: 16

約数和(自身を含む): 2410938880

約数和(自身を除く): 253427199

約数列:

[1, 13, 31, 193, 403, 2509, 5983, 27739, 77779, 360607, 859909, 5353627, 11178817, 69597151, 165962437, 2157511681]

約数ペア:

[(1, 2157511681), (13, 165962437), (31, 69597151), (193, 11178817), (403, 5353627), (2509, 859909), (5983, 360607), (27739, 77779)]