64713925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 84382496

約数和(自身を除く): 19668571

約数列:

[1, 5, 25, 37, 43, 185, 215, 925, 1075, 1591, 1627, 7955, 8135, 39775, 40675, 60199, 69961, 300995, 349805, 1504975, 1749025, 2588557, 12942785, 64713925]

約数ペア:

[(1, 64713925), (5, 12942785), (25, 2588557), (37, 1749025), (43, 1504975), (185, 349805), (215, 300995), (925, 69961), (1075, 60199), (1591, 40675), (1627, 39775), (7955, 8135)]