220668833

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{18979}}^1$

素因数の和:19148

約数の個数: 16

約数和(自身を含む): 276956160

約数和(自身を除く): 56287327

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 11627, 18979, 132853, 208769, 1461383, 2865829, 20060803, 31524119, 220668833]

約数ペア:

[(1, 220668833), (7, 31524119), (11, 20060803), (77, 2865829), (151, 1461383), (1057, 208769), (1661, 132853), (11627, 18979)]