64201475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 93014880

約数和(自身を除く): 28813405

約数列:

[1, 5, 13, 19, 25, 37, 65, 95, 185, 247, 281, 325, 475, 481, 703, 925, 1235, 1405, 2405, 3515, 3653, 5339, 6175, 7025, 9139, 10397, 12025, 17575, 18265, 26695, 45695, 51985, 69407, 91325, 133475, 135161, 197543, 228475, 259925, 347035, 675805, 987715, 1735175, 2568059, 3379025, 4938575, 12840295, 64201475]

約数ペア:

[(1, 64201475), (5, 12840295), (13, 4938575), (19, 3379025), (25, 2568059), (37, 1735175), (65, 987715), (95, 675805), (185, 347035), (247, 259925), (281, 228475), (325, 197543), (475, 135161), (481, 133475), (703, 91325), (925, 69407), (1235, 51985), (1405, 45695), (2405, 26695), (3515, 18265), (3653, 17575), (5339, 12025), (6175, 10397), (7025, 9139)]