217749952

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15679}}^1$

素因数の和:15729

約数の個数: 56

約数和(自身を含む): 509788160

約数和(自身を除く): 292038208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 15679, 31358, 62716, 109753, 125432, 219506, 250864, 439012, 486049, 501728, 878024, 972098, 1003456, 1756048, 1944196, 3402343, 3512096, 3888392, 6804686, 7024192, 7776784, 13609372, 15553568, 27218744, 31107136, 54437488, 108874976, 217749952]

約数ペア:

[(1, 217749952), (2, 108874976), (4, 54437488), (7, 31107136), (8, 27218744), (14, 15553568), (16, 13609372), (28, 7776784), (31, 7024192), (32, 6804686), (56, 3888392), (62, 3512096), (64, 3402343), (112, 1944196), (124, 1756048), (217, 1003456), (224, 972098), (248, 878024), (434, 501728), (448, 486049), (496, 439012), (868, 250864), (992, 219506), (1736, 125432), (1984, 109753), (3472, 62716), (6944, 31358), (13888, 15679)]