81706828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{171653}}^1$

素因数の和:171681

約数の個数: 24

約数和(自身を含む): 173027232

約数和(自身を除く): 91320404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 171653, 343306, 686612, 1201571, 2403142, 2918101, 4806284, 5836202, 11672404, 20426707, 40853414, 81706828]

約数ペア:

[(1, 81706828), (2, 40853414), (4, 20426707), (7, 11672404), (14, 5836202), (17, 4806284), (28, 2918101), (34, 2403142), (68, 1201571), (119, 686612), (238, 343306), (476, 171653)]