2047045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 3306240

約数和(自身を除く): 1259195

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 409, 455, 715, 1001, 2045, 2863, 4499, 5005, 5317, 14315, 22495, 26585, 31493, 37219, 58487, 157465, 186095, 292435, 409409, 2047045]

約数ペア:

[(1, 2047045), (5, 409409), (7, 292435), (11, 186095), (13, 157465), (35, 58487), (55, 37219), (65, 31493), (77, 26585), (91, 22495), (143, 14315), (385, 5317), (409, 5005), (455, 4499), (715, 2863), (1001, 2045)]