78840203

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 92348928

約数和(自身を除く): 13508725

約数列:

[1, 13, 17, 53, 127, 221, 689, 901, 1651, 2159, 2809, 6731, 11713, 28067, 36517, 47753, 87503, 114427, 356743, 620789, 1487551, 4637659, 6064631, 78840203]

約数ペア:

[(1, 78840203), (13, 6064631), (17, 4637659), (53, 1487551), (127, 620789), (221, 356743), (689, 114427), (901, 87503), (1651, 47753), (2159, 36517), (2809, 28067), (6731, 11713)]