81315122

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{156979}}^1$

素因数の和:157025

約数の個数: 16

約数和(自身を含む): 143165760

約数和(自身を除く): 61850638

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 156979, 313958, 1098853, 2197706, 5808223, 11616446, 40657561, 81315122]

約数ペア:

[(1, 81315122), (2, 40657561), (7, 11616446), (14, 5808223), (37, 2197706), (74, 1098853), (259, 313958), (518, 156979)]