684304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2278

約数の個数: 20

約数和(自身を含む): 1396240

約数和(自身を除く): 711936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2251, 4502, 9004, 18008, 36016, 42769, 85538, 171076, 342152, 684304]

約数ペア:

[(1, 684304), (2, 342152), (4, 171076), (8, 85538), (16, 42769), (19, 36016), (38, 18008), (76, 9004), (152, 4502), (304, 2251)]