78400189

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2063}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 92136960

約数和(自身を除く): 13736771

約数列:

[1, 7, 61, 89, 427, 623, 2063, 5429, 14441, 38003, 125843, 183607, 880901, 1285249, 11200027, 78400189]

約数ペア:

[(1, 78400189), (7, 11200027), (61, 1285249), (89, 880901), (427, 183607), (623, 125843), (2063, 38003), (5429, 14441)]