213243265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{2543}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 264738816

約数和(自身を除く): 51495551

約数列:

[1, 5, 31, 155, 541, 2543, 2705, 12715, 16771, 78833, 83855, 394165, 1375763, 6878815, 42648653, 213243265]

約数ペア:

[(1, 213243265), (5, 42648653), (31, 6878815), (155, 1375763), (541, 394165), (2543, 83855), (2705, 78833), (12715, 16771)]