68136868

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 121363200

約数和(自身を除く): 53226332

約数列:

[1, 2, 4, 79, 158, 257, 316, 514, 839, 1028, 1678, 3356, 20303, 40606, 66281, 81212, 132562, 215623, 265124, 431246, 862492, 17034217, 34068434, 68136868]

約数ペア:

[(1, 68136868), (2, 34068434), (4, 17034217), (79, 862492), (158, 431246), (257, 265124), (316, 215623), (514, 132562), (839, 81212), (1028, 66281), (1678, 40606), (3356, 20303)]