277202233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 362944512

約数和(自身を除く): 85742279

約数列:

[1, 7, 11, 23, 77, 161, 193, 253, 811, 1351, 1771, 2123, 4439, 5677, 8921, 14861, 18653, 31073, 48829, 62447, 130571, 156523, 205183, 341803, 1095661, 1436281, 1721753, 3600029, 12052271, 25200203, 39600319, 277202233]

約数ペア:

[(1, 277202233), (7, 39600319), (11, 25200203), (23, 12052271), (77, 3600029), (161, 1721753), (193, 1436281), (253, 1095661), (811, 341803), (1351, 205183), (1771, 156523), (2123, 130571), (4439, 62447), (5677, 48829), (8921, 31073), (14861, 18653)]