7212305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 9532800

約数和(自身を除く): 2320495

約数列:

[1, 5, 19, 31, 79, 95, 155, 395, 589, 961, 1501, 2449, 2945, 4805, 7505, 12245, 18259, 46531, 75919, 91295, 232655, 379595, 1442461, 7212305]

約数ペア:

[(1, 7212305), (5, 1442461), (19, 379595), (31, 232655), (79, 91295), (95, 75919), (155, 46531), (395, 18259), (589, 12245), (961, 7505), (1501, 4805), (2449, 2945)]