66400555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{60091}}^1$

素因数の和:60126

約数の個数: 16

約数和(自身を含む): 90859104

約数和(自身を除く): 24458549

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 60091, 300455, 781183, 1021547, 3905915, 5107735, 13280111, 66400555]

約数ペア:

[(1, 66400555), (5, 13280111), (13, 5107735), (17, 3905915), (65, 1021547), (85, 781183), (221, 300455), (1105, 60091)]