161981449

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{16903}}^1$

素因数の和:16984

約数の個数: 12

約数和(自身を含む): 190271424

約数和(自身を除く): 28289975

約数列:

[1, 7, 37, 259, 1369, 9583, 16903, 118321, 625411, 4377877, 23140207, 161981449]

約数ペア:

[(1, 161981449), (7, 23140207), (37, 4377877), (259, 625411), (1369, 118321), (9583, 16903)]