78869084

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90863}}^1$

素因数の和:90905

約数の個数: 24

約数和(自身を含む): 162828288

約数和(自身を除く): 83959204

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90863, 181726, 363452, 636041, 1272082, 2544164, 2816753, 5633506, 11267012, 19717271, 39434542, 78869084]

約数ペア:

[(1, 78869084), (2, 39434542), (4, 19717271), (7, 11267012), (14, 5633506), (28, 2816753), (31, 2544164), (62, 1272082), (124, 636041), (217, 363452), (434, 181726), (868, 90863)]