207857872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15901}}^1$

素因数の和:15971

約数の個数: 40

約数和(自身を含む): 433806560

約数和(自身を除く): 225948688

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15901, 31802, 63604, 127208, 254416, 302119, 604238, 683743, 1208476, 1367486, 2416952, 2734972, 4833904, 5469944, 10939888, 12991117, 25982234, 51964468, 103928936, 207857872]

約数ペア:

[(1, 207857872), (2, 103928936), (4, 51964468), (8, 25982234), (16, 12991117), (19, 10939888), (38, 5469944), (43, 4833904), (76, 2734972), (86, 2416952), (152, 1367486), (172, 1208476), (304, 683743), (344, 604238), (688, 302119), (817, 254416), (1634, 127208), (3268, 63604), (6536, 31802), (13072, 15901)]