13920445

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 22216320

約数和(自身を除く): 8295875

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 173, 209, 385, 605, 665, 847, 865, 1045, 1211, 1463, 1903, 2299, 3287, 4235, 6055, 7315, 9515, 11495, 13321, 16093, 16435, 20933, 23009, 36157, 66605, 80465, 104665, 115045, 146531, 180785, 253099, 397727, 732655, 1265495, 1988635, 2784089, 13920445]

約数ペア:

[(1, 13920445), (5, 2784089), (7, 1988635), (11, 1265495), (19, 732655), (35, 397727), (55, 253099), (77, 180785), (95, 146531), (121, 115045), (133, 104665), (173, 80465), (209, 66605), (385, 36157), (605, 23009), (665, 20933), (847, 16435), (865, 16093), (1045, 13321), (1211, 11495), (1463, 9515), (1903, 7315), (2299, 6055), (3287, 4235)]