71688136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{689309}}^1$

素因数の和:689328

約数の個数: 16

約数和(自身を含む): 144755100

約数和(自身を除く): 73066964

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 689309, 1378618, 2757236, 5514472, 8961017, 17922034, 35844068, 71688136]

約数ペア:

[(1, 71688136), (2, 35844068), (4, 17922034), (8, 8961017), (13, 5514472), (26, 2757236), (52, 1378618), (104, 689309)]