208766224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{686731}}^1$

素因数の和:686758

約数の個数: 20

約数和(自身を含む): 425773840

約数和(自身を除く): 217007616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 686731, 1373462, 2746924, 5493848, 10987696, 13047889, 26095778, 52191556, 104383112, 208766224]

約数ペア:

[(1, 208766224), (2, 104383112), (4, 52191556), (8, 26095778), (16, 13047889), (19, 10987696), (38, 5493848), (76, 2746924), (152, 1373462), (304, 686731)]