397996949

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 481367040

約数和(自身を除く): 83370091

約数列:

[1, 7, 43, 59, 73, 301, 307, 413, 511, 2149, 2537, 3139, 4307, 13201, 17759, 18113, 21973, 22411, 30149, 92407, 126791, 156877, 185201, 778859, 963673, 1296407, 1322249, 5452013, 6745711, 9255743, 56856707, 397996949]

約数ペア:

[(1, 397996949), (7, 56856707), (43, 9255743), (59, 6745711), (73, 5452013), (301, 1322249), (307, 1296407), (413, 963673), (511, 778859), (2149, 185201), (2537, 156877), (3139, 126791), (4307, 92407), (13201, 30149), (17759, 22411), (18113, 21973)]