64715215

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 83215440

約数和(自身を除く): 18500225

約数列:

[1, 5, 23, 43, 115, 215, 529, 569, 989, 2645, 2845, 4945, 13087, 22747, 24467, 65435, 113735, 122335, 301001, 562741, 1505005, 2813705, 12943043, 64715215]

約数ペア:

[(1, 64715215), (5, 12943043), (23, 2813705), (43, 1505005), (115, 562741), (215, 301001), (529, 122335), (569, 113735), (989, 65435), (2645, 24467), (2845, 22747), (4945, 13087)]