388664691904

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{319625569}}^1$

素因数の和:319625600

約数の個数: 28

約数和(自身を含む): 811848947800

約数和(自身を除く): 423184255896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 319625569, 639251138, 1278502276, 2557004552, 5114009104, 6072885811, 10228018208, 12145771622, 20456036416, 24291543244, 48583086488, 97166172976, 194332345952, 388664691904]

約数ペア:

[(1, 388664691904), (2, 194332345952), (4, 97166172976), (8, 48583086488), (16, 24291543244), (19, 20456036416), (32, 12145771622), (38, 10228018208), (64, 6072885811), (76, 5114009104), (152, 2557004552), (304, 1278502276), (608, 639251138), (1216, 319625569)]