67040281

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 86512320

約数和(自身を除く): 19472039

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2039, 2989, 4697, 14273, 22429, 32879, 99911, 124379, 157003, 870653, 1099021, 1368169, 6094571, 9577183, 67040281]

約数ペア:

[(1, 67040281), (7, 9577183), (11, 6094571), (49, 1368169), (61, 1099021), (77, 870653), (427, 157003), (539, 124379), (671, 99911), (2039, 32879), (2989, 22429), (4697, 14273)]