28274519

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 9424681

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 373, 637, 833, 1547, 2611, 4459, 4849, 5831, 6341, 10829, 18277, 33943, 44387, 75803, 82433, 127939, 237601, 310709, 577031, 1663207, 2174963, 4039217, 28274519]

約数ペア:

[(1, 28274519), (7, 4039217), (13, 2174963), (17, 1663207), (49, 577031), (91, 310709), (119, 237601), (221, 127939), (343, 82433), (373, 75803), (637, 44387), (833, 33943), (1547, 18277), (2611, 10829), (4459, 6341), (4849, 5831)]