7881569425

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 10146569328

約数和(自身を除く): 2264999903

約数列:

[1, 5, 25, 31, 155, 251, 775, 961, 1255, 1307, 4805, 6275, 6535, 7781, 24025, 32675, 38905, 40517, 194525, 202585, 241211, 328057, 1012925, 1206055, 1256027, 1640285, 6030275, 6280135, 8201425, 10169767, 31400675, 50848835, 254244175, 315262777, 1576313885, 7881569425]

約数ペア:

[(1, 7881569425), (5, 1576313885), (25, 315262777), (31, 254244175), (155, 50848835), (251, 31400675), (775, 10169767), (961, 8201425), (1255, 6280135), (1307, 6030275), (4805, 1640285), (6275, 1256027), (6535, 1206055), (7781, 1012925), (24025, 328057), (32675, 241211), (38905, 202585), (40517, 194525)]