128639995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1283}}^1\times {\mathrm{1823}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 168625152

約数和(自身を除く): 39985157

約数列:

[1, 5, 11, 55, 1283, 1823, 6415, 9115, 14113, 20053, 70565, 100265, 2338909, 11694545, 25727999, 128639995]

約数ペア:

[(1, 128639995), (5, 25727999), (11, 11694545), (55, 2338909), (1283, 100265), (1823, 70565), (6415, 20053), (9115, 14113)]