217464287

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 246951936

約数和(自身を除く): 29487649

約数列:

[1, 23, 31, 41, 43, 173, 713, 943, 989, 1271, 1333, 1763, 3979, 5363, 7093, 7439, 29233, 30659, 40549, 54653, 123349, 163139, 171097, 219883, 230609, 304999, 1257019, 5057309, 5304007, 7014977, 9454969, 217464287]

約数ペア:

[(1, 217464287), (23, 9454969), (31, 7014977), (41, 5304007), (43, 5057309), (173, 1257019), (713, 304999), (943, 230609), (989, 219883), (1271, 171097), (1333, 163139), (1763, 123349), (3979, 54653), (5363, 40549), (7093, 30659), (7439, 29233)]