78279905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 108743040

約数和(自身を除く): 30463135

約数列:

[1, 5, 11, 19, 55, 95, 173, 209, 433, 865, 1045, 1903, 2165, 3287, 4763, 8227, 9515, 16435, 23815, 36157, 41135, 74909, 90497, 180785, 374545, 452485, 823999, 1423271, 4119995, 7116355, 15655981, 78279905]

約数ペア:

[(1, 78279905), (5, 15655981), (11, 7116355), (19, 4119995), (55, 1423271), (95, 823999), (173, 452485), (209, 374545), (433, 180785), (865, 90497), (1045, 74909), (1903, 41135), (2165, 36157), (3287, 23815), (4763, 16435), (8227, 9515)]