5386405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 7149600

約数和(自身を除く): 1763195

約数列:

[1, 5, 19, 31, 59, 95, 155, 295, 589, 961, 1121, 1829, 2945, 4805, 5605, 9145, 18259, 34751, 56699, 91295, 173755, 283495, 1077281, 5386405]

約数ペア:

[(1, 5386405), (5, 1077281), (19, 283495), (31, 173755), (59, 91295), (95, 56699), (155, 34751), (295, 18259), (589, 9145), (961, 5605), (1121, 4805), (1829, 2945)]