39355472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 82494720

約数和(自身を除く): 43139248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 439, 862, 878, 1724, 1756, 3448, 3512, 5603, 5707, 6896, 7024, 11206, 11414, 22412, 22828, 44824, 45656, 89648, 91312, 189209, 378418, 756836, 1513672, 2459717, 3027344, 4919434, 9838868, 19677736, 39355472]

約数ペア:

[(1, 39355472), (2, 19677736), (4, 9838868), (8, 4919434), (13, 3027344), (16, 2459717), (26, 1513672), (52, 756836), (104, 378418), (208, 189209), (431, 91312), (439, 89648), (862, 45656), (878, 44824), (1724, 22828), (1756, 22412), (3448, 11414), (3512, 11206), (5603, 7024), (5707, 6896)]