1219405825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 1706265792

約数和(自身を除く): 486859967

約数列:

[1, 5, 11, 25, 43, 55, 101, 215, 275, 473, 505, 1021, 1075, 1111, 2365, 2525, 4343, 5105, 5555, 11231, 11825, 21715, 25525, 27775, 43903, 47773, 56155, 103121, 108575, 219515, 238865, 280775, 482933, 515605, 1097575, 1134331, 1194325, 2414665, 2578025, 4434203, 5671655, 12073325, 22171015, 28358275, 48776233, 110855075, 243881165, 1219405825]

約数ペア:

[(1, 1219405825), (5, 243881165), (11, 110855075), (25, 48776233), (43, 28358275), (55, 22171015), (101, 12073325), (215, 5671655), (275, 4434203), (473, 2578025), (505, 2414665), (1021, 1194325), (1075, 1134331), (1111, 1097575), (2365, 515605), (2525, 482933), (4343, 280775), (5105, 238865), (5555, 219515), (11231, 108575), (11825, 103121), (21715, 56155), (25525, 47773), (27775, 43903)]