1378064

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2054

約数の個数: 20

約数和(自身を含む): 2733456

約数和(自身を除く): 1355392

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2003, 4006, 8012, 16024, 32048, 86129, 172258, 344516, 689032, 1378064]

約数ペア:

[(1, 1378064), (2, 689032), (4, 344516), (8, 172258), (16, 86129), (43, 32048), (86, 16024), (172, 8012), (344, 4006), (688, 2003)]