81428752

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175493}}^1$

素因数の和:175530

約数の個数: 20

約数和(自身を含む): 163209420

約数和(自身を除く): 81780668

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175493, 350986, 701972, 1403944, 2807888, 5089297, 10178594, 20357188, 40714376, 81428752]

約数ペア:

[(1, 81428752), (2, 40714376), (4, 20357188), (8, 10178594), (16, 5089297), (29, 2807888), (58, 1403944), (116, 701972), (232, 350986), (464, 175493)]