64894405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2027}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 82255680

約数和(自身を除く): 17361275

約数列:

[1, 5, 19, 95, 337, 1685, 2027, 6403, 10135, 32015, 38513, 192565, 683099, 3415495, 12978881, 64894405]

約数ペア:

[(1, 64894405), (5, 12978881), (19, 3415495), (95, 683099), (337, 192565), (1685, 38513), (2027, 32015), (6403, 10135)]