257382832

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74131}}^1$

素因数の和:74177

約数の個数: 40

約数和(自身を含む): 588311552

約数和(自身を除く): 330928720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 74131, 148262, 296524, 518917, 593048, 1037834, 1186096, 2075668, 2298061, 4151336, 4596122, 8302672, 9192244, 16086427, 18384488, 32172854, 36768976, 64345708, 128691416, 257382832]

約数ペア:

[(1, 257382832), (2, 128691416), (4, 64345708), (7, 36768976), (8, 32172854), (14, 18384488), (16, 16086427), (28, 9192244), (31, 8302672), (56, 4596122), (62, 4151336), (112, 2298061), (124, 2075668), (217, 1186096), (248, 1037834), (434, 593048), (496, 518917), (868, 296524), (1736, 148262), (3472, 74131)]