138723788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2437}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 294900480

約数和(自身を除く): 156176692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 749, 1498, 2033, 2437, 2996, 4066, 4874, 8132, 9748, 14231, 17059, 28462, 34118, 46303, 56924, 68236, 92606, 185212, 260759, 324121, 521518, 648242, 1043036, 1296484, 1825313, 3650626, 4954421, 7301252, 9908842, 19817684, 34680947, 69361894, 138723788]

約数ペア:

[(1, 138723788), (2, 69361894), (4, 34680947), (7, 19817684), (14, 9908842), (19, 7301252), (28, 4954421), (38, 3650626), (76, 1825313), (107, 1296484), (133, 1043036), (214, 648242), (266, 521518), (428, 324121), (532, 260759), (749, 185212), (1498, 92606), (2033, 68236), (2437, 56924), (2996, 46303), (4066, 34118), (4874, 28462), (8132, 17059), (9748, 14231)]