157421888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:895

約数の個数: 56

約数和(自身を含む): 337962240

約数和(自身を除く): 180540352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 431, 439, 832, 862, 878, 1724, 1756, 3448, 3512, 5603, 5707, 6896, 7024, 11206, 11414, 13792, 14048, 22412, 22828, 27584, 28096, 44824, 45656, 89648, 91312, 179296, 182624, 189209, 358592, 365248, 378418, 756836, 1513672, 2459717, 3027344, 4919434, 6054688, 9838868, 12109376, 19677736, 39355472, 78710944, 157421888]

約数ペア:

[(1, 157421888), (2, 78710944), (4, 39355472), (8, 19677736), (13, 12109376), (16, 9838868), (26, 6054688), (32, 4919434), (52, 3027344), (64, 2459717), (104, 1513672), (208, 756836), (416, 378418), (431, 365248), (439, 358592), (832, 189209), (862, 182624), (878, 179296), (1724, 91312), (1756, 89648), (3448, 45656), (3512, 44824), (5603, 28096), (5707, 27584), (6896, 22828), (7024, 22412), (11206, 14048), (11414, 13792)]