64851275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 85113600

約数和(自身を除く): 20262325

約数列:

[1, 5, 19, 25, 95, 311, 439, 475, 1555, 2195, 5909, 7775, 8341, 10975, 29545, 41705, 136529, 147725, 208525, 682645, 2594051, 3413225, 12970255, 64851275]

約数ペア:

[(1, 64851275), (5, 12970255), (19, 3413225), (25, 2594051), (95, 682645), (311, 208525), (439, 147725), (475, 136529), (1555, 41705), (2195, 29545), (5909, 10975), (7775, 8341)]