28759768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 28264232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 439, 862, 878, 1724, 1756, 3448, 3512, 8189, 8341, 16378, 16682, 32756, 33364, 65512, 66728, 189209, 378418, 756836, 1513672, 3594971, 7189942, 14379884, 28759768]

約数ペア:

[(1, 28759768), (2, 14379884), (4, 7189942), (8, 3594971), (19, 1513672), (38, 756836), (76, 378418), (152, 189209), (431, 66728), (439, 65512), (862, 33364), (878, 32756), (1724, 16682), (1756, 16378), (3448, 8341), (3512, 8189)]