78435721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2087}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 99973440

約数和(自身を除く): 21537719

約数列:

[1, 7, 13, 49, 59, 91, 413, 637, 767, 2087, 2891, 5369, 14609, 27131, 37583, 102263, 123133, 189917, 861931, 1329419, 1600729, 6033517, 11205103, 78435721]

約数ペア:

[(1, 78435721), (7, 11205103), (13, 6033517), (49, 1600729), (59, 1329419), (91, 861931), (413, 189917), (637, 123133), (767, 102263), (2087, 37583), (2891, 27131), (5369, 14609)]