71991918

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{67789}}^1$

素因数の和:67856

約数の個数: 24

約数和(自身を含む): 158628600

約数和(自身を除く): 86636682

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 67789, 135578, 203367, 406734, 610101, 1220202, 3999551, 7999102, 11998653, 23997306, 35995959, 71991918]

約数ペア:

[(1, 71991918), (2, 35995959), (3, 23997306), (6, 11998653), (9, 7999102), (18, 3999551), (59, 1220202), (118, 610101), (177, 406734), (354, 203367), (531, 135578), (1062, 67789)]