161890799

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{1997}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 190721088

約数和(自身を除く): 28830289

約数列:

[1, 7, 37, 259, 313, 1997, 2191, 11581, 13979, 73889, 81067, 517223, 625061, 4375427, 23127257, 161890799]

約数ペア:

[(1, 161890799), (7, 23127257), (37, 4375427), (259, 625061), (313, 517223), (1997, 81067), (2191, 73889), (11581, 13979)]