388660468

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{190147}}^1$

素因数の和:190231

約数の個数: 24

約数和(自身を含む): 787973312

約数和(自身を除く): 399312844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 190147, 380294, 760588, 1331029, 2662058, 5324116, 13880731, 27761462, 55522924, 97165117, 194330234, 388660468]

約数ペア:

[(1, 388660468), (2, 194330234), (4, 97165117), (7, 55522924), (14, 27761462), (28, 13880731), (73, 5324116), (146, 2662058), (292, 1331029), (511, 760588), (1022, 380294), (2044, 190147)]