890978543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{5479}}^1$

素因数の和:7286

約数の個数: 16

約数和(自身を含む): 1097402880

約数和(自身を除く): 206424337

約数列:

[1, 7, 13, 91, 1787, 5479, 12509, 23231, 38353, 71227, 162617, 498589, 9790973, 68536811, 127282649, 890978543]

約数ペア:

[(1, 890978543), (7, 127282649), (13, 68536811), (91, 9790973), (1787, 498589), (5479, 162617), (12509, 71227), (23231, 38353)]