207921475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3571}}^1$

素因数の和:3735

約数の個数: 24

約数和(自身を含む): 275058288

約数和(自身を除く): 67136813

約数列:

[1, 5, 17, 25, 85, 137, 425, 685, 2329, 3425, 3571, 11645, 17855, 58225, 60707, 89275, 303535, 489227, 1517675, 2446135, 8316859, 12230675, 41584295, 207921475]

約数ペア:

[(1, 207921475), (5, 41584295), (17, 12230675), (25, 8316859), (85, 2446135), (137, 1517675), (425, 489227), (685, 303535), (2329, 89275), (3425, 60707), (3571, 58225), (11645, 17855)]