66402775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 86851584

約数和(自身を除く): 20448809

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 1823, 7285, 9115, 36425, 45575, 56513, 85681, 282565, 428405, 1412825, 2142025, 2656111, 13280555, 66402775]

約数ペア:

[(1, 66402775), (5, 13280555), (25, 2656111), (31, 2142025), (47, 1412825), (155, 428405), (235, 282565), (775, 85681), (1175, 56513), (1457, 45575), (1823, 36425), (7285, 9115)]