71328176

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{17761}}^1$

素因数の和:18020

約数の個数: 20

約数和(自身を含む): 138756744

約数和(自身を除く): 67428568

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 17761, 35522, 71044, 142088, 284176, 4458011, 8916022, 17832044, 35664088, 71328176]

約数ペア:

[(1, 71328176), (2, 35664088), (4, 17832044), (8, 8916022), (16, 4458011), (251, 284176), (502, 142088), (1004, 71044), (2008, 35522), (4016, 17761)]