71128168

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{81569}}^1$

素因数の和:81684

約数の個数: 16

約数和(自身を含む): 134590500

約数和(自身を除く): 63462332

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 81569, 163138, 326276, 652552, 8891021, 17782042, 35564084, 71128168]

約数ペア:

[(1, 71128168), (2, 35564084), (4, 17782042), (8, 8891021), (109, 652552), (218, 326276), (436, 163138), (872, 81569)]