290470999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{21139}}^1$

素因数の和:21310

約数の個数: 16

約数和(自身を含む): 359887360

約数和(自身を除く): 69416361

約数列:

[1, 7, 13, 91, 151, 1057, 1963, 13741, 21139, 147973, 274807, 1923649, 3191989, 22343923, 41495857, 290470999]

約数ペア:

[(1, 290470999), (7, 41495857), (13, 22343923), (91, 3191989), (151, 1923649), (1057, 274807), (1963, 147973), (13741, 21139)]