42012971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 60668160

約数和(自身を除く): 18655189

約数列:

[1, 7, 11, 13, 19, 47, 77, 91, 133, 143, 209, 247, 329, 517, 611, 893, 1001, 1463, 1729, 2209, 2717, 3619, 4277, 6251, 6721, 9823, 11609, 15463, 19019, 24299, 28717, 41971, 47047, 68761, 81263, 127699, 170093, 201019, 293797, 315887, 461681, 545623, 893893, 2211209, 3231767, 3819361, 6001853, 42012971]

約数ペア:

[(1, 42012971), (7, 6001853), (11, 3819361), (13, 3231767), (19, 2211209), (47, 893893), (77, 545623), (91, 461681), (133, 315887), (143, 293797), (209, 201019), (247, 170093), (329, 127699), (517, 81263), (611, 68761), (893, 47047), (1001, 41971), (1463, 28717), (1729, 24299), (2209, 19019), (2717, 15463), (3619, 11609), (4277, 9823), (6251, 6721)]