86215745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31991}}^1$

素因数の和:32021

約数の個数: 24

約数和(自身を含む): 131295168

約数和(自身を除く): 45079423

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 31991, 159955, 223937, 351901, 1119685, 1567559, 1759505, 2463307, 7837795, 12316535, 17243149, 86215745]

約数ペア:

[(1, 86215745), (5, 17243149), (7, 12316535), (11, 7837795), (35, 2463307), (49, 1759505), (55, 1567559), (77, 1119685), (245, 351901), (385, 223937), (539, 159955), (2695, 31991)]