85640786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17939}}^1$

素因数の和:17990

約数の個数: 32

約数和(自身を含む): 165335040

約数和(自身を除く): 79694254

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 17939, 35878, 125573, 197329, 251146, 394658, 556109, 1112218, 1381303, 2762606, 3892763, 6117199, 7785526, 12234398, 42820393, 85640786]

約数ペア:

[(1, 85640786), (2, 42820393), (7, 12234398), (11, 7785526), (14, 6117199), (22, 3892763), (31, 2762606), (62, 1381303), (77, 1112218), (154, 556109), (217, 394658), (341, 251146), (434, 197329), (682, 125573), (2387, 35878), (4774, 17939)]