669712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2230

約数の個数: 20

約数和(自身を含む): 1366480

約数和(自身を除く): 696768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2203, 4406, 8812, 17624, 35248, 41857, 83714, 167428, 334856, 669712]

約数ペア:

[(1, 669712), (2, 334856), (4, 167428), (8, 83714), (16, 41857), (19, 35248), (38, 17624), (76, 8812), (152, 4406), (304, 2203)]