71265290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{65381}}^1$

素因数の和:65497

約数の個数: 16

約数和(自身を含む): 129456360

約数和(自身を除く): 58191070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 65381, 130762, 326905, 653810, 7126529, 14253058, 35632645, 71265290]

約数ペア:

[(1, 71265290), (2, 35632645), (5, 14253058), (10, 7126529), (109, 653810), (218, 326905), (545, 130762), (1090, 65381)]