31699228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 30958052

約数列:

[1, 2, 4, 11, 22, 44, 71, 73, 139, 142, 146, 278, 284, 292, 556, 781, 803, 1529, 1562, 1606, 3058, 3124, 3212, 5183, 6116, 9869, 10147, 10366, 19738, 20294, 20732, 39476, 40588, 57013, 108559, 111617, 114026, 217118, 223234, 228052, 434236, 446468, 720437, 1440874, 2881748, 7924807, 15849614, 31699228]

約数ペア:

[(1, 31699228), (2, 15849614), (4, 7924807), (11, 2881748), (22, 1440874), (44, 720437), (71, 446468), (73, 434236), (139, 228052), (142, 223234), (146, 217118), (278, 114026), (284, 111617), (292, 108559), (556, 57013), (781, 40588), (803, 39476), (1529, 20732), (1562, 20294), (1606, 19738), (3058, 10366), (3124, 10147), (3212, 9869), (5183, 6116)]