42141715

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 67633920

約数和(自身を除く): 25492205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 823, 931, 1045, 1463, 2695, 4115, 4655, 5761, 7315, 9053, 10241, 15637, 28805, 40327, 45265, 51205, 63371, 78185, 109459, 172007, 201635, 316855, 443597, 547295, 766213, 860035, 1204049, 2217985, 3831065, 6020245, 8428343, 42141715]

約数ペア:

[(1, 42141715), (5, 8428343), (7, 6020245), (11, 3831065), (19, 2217985), (35, 1204049), (49, 860035), (55, 766213), (77, 547295), (95, 443597), (133, 316855), (209, 201635), (245, 172007), (385, 109459), (539, 78185), (665, 63371), (823, 51205), (931, 45265), (1045, 40327), (1463, 28805), (2695, 15637), (4115, 10241), (4655, 9053), (5761, 7315)]