1302420049

素因数分解:

$7^4\times {\mathrm{359}}^1\times {\mathrm{1511}}^1$

素因数の和:1898

約数の個数: 20

約数和(自身を含む): 1524640320

約数和(自身を除く): 222220271

約数列:

[1, 7, 49, 343, 359, 1511, 2401, 2513, 10577, 17591, 74039, 123137, 518273, 542449, 861959, 3627911, 3797143, 26580001, 186060007, 1302420049]

約数ペア:

[(1, 1302420049), (7, 186060007), (49, 26580001), (343, 3797143), (359, 3627911), (1511, 861959), (2401, 542449), (2513, 518273), (10577, 123137), (17591, 74039)]