28799155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 47185920

約数和(自身を除く): 18386765

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 95, 127, 133, 155, 209, 217, 341, 385, 589, 635, 665, 889, 1045, 1085, 1397, 1463, 1705, 2387, 2413, 2945, 3937, 4123, 4445, 6479, 6985, 7315, 9779, 11935, 12065, 16891, 19685, 20615, 26543, 27559, 32395, 43307, 45353, 48895, 74803, 84455, 132715, 137795, 185801, 216535, 226765, 303149, 374015, 523621, 822833, 929005, 1515745, 2618105, 4114165, 5759831, 28799155]

約数ペア:

[(1, 28799155), (5, 5759831), (7, 4114165), (11, 2618105), (19, 1515745), (31, 929005), (35, 822833), (55, 523621), (77, 374015), (95, 303149), (127, 226765), (133, 216535), (155, 185801), (209, 137795), (217, 132715), (341, 84455), (385, 74803), (589, 48895), (635, 45353), (665, 43307), (889, 32395), (1045, 27559), (1085, 26543), (1397, 20615), (1463, 19685), (1705, 16891), (2387, 12065), (2413, 11935), (2945, 9779), (3937, 7315), (4123, 6985), (4445, 6479)]