207735725

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 265061160

約数和(自身を除く): 57325435

約数列:

[1, 5, 25, 41, 205, 389, 521, 1025, 1945, 2605, 9725, 13025, 15949, 21361, 79745, 106805, 202669, 398725, 534025, 1013345, 5066725, 8309429, 41547145, 207735725]

約数ペア:

[(1, 207735725), (5, 41547145), (25, 8309429), (41, 5066725), (205, 1013345), (389, 534025), (521, 398725), (1025, 202669), (1945, 106805), (2605, 79745), (9725, 21361), (13025, 15949)]