205251319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6983}}^1$

素因数の和:7039

約数の個数: 32

約数和(自身を含む): 281594880

約数和(自身を除く): 76343561

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2261, 4199, 6983, 29393, 48881, 90779, 118711, 132677, 635453, 830977, 928739, 1543243, 1724801, 2255509, 10802701, 12073607, 15788563, 29321617, 205251319]

約数ペア:

[(1, 205251319), (7, 29321617), (13, 15788563), (17, 12073607), (19, 10802701), (91, 2255509), (119, 1724801), (133, 1543243), (221, 928739), (247, 830977), (323, 635453), (1547, 132677), (1729, 118711), (2261, 90779), (4199, 48881), (6983, 29393)]