388615664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1278341}}^1$

素因数の和:1278368

約数の個数: 20

約数和(自身を含む): 792572040

約数和(自身を除く): 403956376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1278341, 2556682, 5113364, 10226728, 20453456, 24288479, 48576958, 97153916, 194307832, 388615664]

約数ペア:

[(1, 388615664), (2, 194307832), (4, 97153916), (8, 48576958), (16, 24288479), (19, 20453456), (38, 10226728), (76, 5113364), (152, 2556682), (304, 1278341)]