217435537

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 256340736

約数和(自身を除く): 38905199

約数列:

[1, 11, 23, 61, 73, 193, 253, 671, 803, 1403, 1679, 2123, 4439, 4453, 11773, 14089, 15433, 18469, 48829, 48983, 102419, 129503, 154979, 270779, 324047, 859429, 1126609, 2978569, 3564517, 9453719, 19766867, 217435537]

約数ペア:

[(1, 217435537), (11, 19766867), (23, 9453719), (61, 3564517), (73, 2978569), (193, 1126609), (253, 859429), (671, 324047), (803, 270779), (1403, 154979), (1679, 129503), (2123, 102419), (4439, 48983), (4453, 48829), (11773, 18469), (14089, 15433)]