138617492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{85991}}^1$

素因数の和:86039

約数の個数: 24

約数和(自身を含む): 269670912

約数和(自身を除く): 131053420

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 85991, 171982, 343964, 1117883, 2235766, 2665721, 4471532, 5331442, 10662884, 34654373, 69308746, 138617492]

約数ペア:

[(1, 138617492), (2, 69308746), (4, 34654373), (13, 10662884), (26, 5331442), (31, 4471532), (52, 2665721), (62, 2235766), (124, 1117883), (403, 343964), (806, 171982), (1612, 85991)]