207739615

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 260881920

約数和(自身を除く): 53142305

約数列:

[1, 5, 29, 127, 145, 389, 635, 841, 1945, 3683, 4205, 11281, 18415, 49403, 56405, 106807, 247015, 327149, 534035, 1432687, 1635745, 7163435, 41547923, 207739615]

約数ペア:

[(1, 207739615), (5, 41547923), (29, 7163435), (127, 1635745), (145, 1432687), (389, 534035), (635, 327149), (841, 247015), (1945, 106807), (3683, 56405), (4205, 49403), (11281, 18415)]