28385031

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 42000640

約数和(自身を除く): 13615609

約数列:

[1, 3, 19, 37, 43, 57, 111, 129, 313, 703, 817, 939, 1591, 2109, 2451, 4773, 5947, 11581, 13459, 17841, 30229, 34743, 40377, 90687, 220039, 255721, 497983, 660117, 767163, 1493949, 9461677, 28385031]

約数ペア:

[(1, 28385031), (3, 9461677), (19, 1493949), (37, 767163), (43, 660117), (57, 497983), (111, 255721), (129, 220039), (313, 90687), (703, 40377), (817, 34743), (939, 30229), (1591, 17841), (2109, 13459), (2451, 11581), (4773, 5947)]