138701345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 179262720

約数和(自身を除く): 40561375

約数列:

[1, 5, 29, 37, 103, 145, 185, 251, 515, 1073, 1255, 2987, 3811, 5365, 7279, 9287, 14935, 19055, 25853, 36395, 46435, 110519, 129265, 269323, 552595, 749737, 956561, 1346615, 3748685, 4782805, 27740269, 138701345]

約数ペア:

[(1, 138701345), (5, 27740269), (29, 4782805), (37, 3748685), (103, 1346615), (145, 956561), (185, 749737), (251, 552595), (515, 269323), (1073, 129265), (1255, 110519), (2987, 46435), (3811, 36395), (5365, 25853), (7279, 19055), (9287, 14935)]