78878569

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{4049}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 103420800

約数和(自身を除く): 24542231

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 4049, 19481, 28343, 44539, 93127, 311773, 489929, 651889, 1024397, 3429503, 7170779, 11268367, 78878569]

約数ペア:

[(1, 78878569), (7, 11268367), (11, 7170779), (23, 3429503), (77, 1024397), (121, 651889), (161, 489929), (253, 311773), (847, 93127), (1771, 44539), (2783, 28343), (4049, 19481)]