261936697547

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3687743}}^1$

素因数の和:3687962

約数の個数: 16

約数和(自身を含む): 305640222720

約数和(自身を除く): 43703525173

約数列:

[1, 7, 73, 139, 511, 973, 10147, 71029, 3687743, 25814201, 269205239, 512596277, 1884436673, 3588173939, 37419528221, 261936697547]

約数ペア:

[(1, 261936697547), (7, 37419528221), (73, 3588173939), (139, 1884436673), (511, 512596277), (973, 269205239), (10147, 25814201), (71029, 3687743)]