78947888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{259697}}^1$

素因数の和:259724

約数の個数: 20

約数和(自身を含む): 161012760

約数和(自身を除く): 82064872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 259697, 519394, 1038788, 2077576, 4155152, 4934243, 9868486, 19736972, 39473944, 78947888]

約数ペア:

[(1, 78947888), (2, 39473944), (4, 19736972), (8, 9868486), (16, 4934243), (19, 4155152), (38, 2077576), (76, 1038788), (152, 519394), (304, 259697)]