7981519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 9909760

約数和(自身を除く): 1928241

約数列:

[1, 7, 13, 91, 139, 631, 973, 1807, 4417, 8203, 12649, 57421, 87709, 613963, 1140217, 7981519]

約数ペア:

[(1, 7981519), (7, 1140217), (13, 613963), (91, 87709), (139, 57421), (631, 12649), (973, 8203), (1807, 4417)]