71717723

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 98496000

約数和(自身を除く): 26778277

約数列:

[1, 7, 11, 19, 47, 49, 77, 133, 149, 209, 329, 517, 539, 893, 931, 1043, 1463, 1639, 2303, 2831, 3619, 6251, 7003, 7301, 9823, 10241, 11473, 19817, 25333, 31141, 43757, 49021, 68761, 77033, 80311, 133057, 138719, 217987, 343147, 481327, 539231, 931399, 1463627, 1525909, 3774617, 6519793, 10245389, 71717723]

約数ペア:

[(1, 71717723), (7, 10245389), (11, 6519793), (19, 3774617), (47, 1525909), (49, 1463627), (77, 931399), (133, 539231), (149, 481327), (209, 343147), (329, 217987), (517, 138719), (539, 133057), (893, 80311), (931, 77033), (1043, 68761), (1463, 49021), (1639, 43757), (2303, 31141), (2831, 25333), (3619, 19817), (6251, 11473), (7003, 10241), (7301, 9823)]