12770945

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 17919360

約数和(自身を除く): 5148415

約数列:

[1, 5, 11, 19, 55, 95, 101, 121, 209, 505, 605, 1045, 1111, 1331, 1919, 2299, 5555, 6655, 9595, 11495, 12221, 21109, 25289, 61105, 105545, 126445, 134431, 232199, 672155, 1160995, 2554189, 12770945]

約数ペア:

[(1, 12770945), (5, 2554189), (11, 1160995), (19, 672155), (55, 232199), (95, 134431), (101, 126445), (121, 105545), (209, 61105), (505, 25289), (605, 21109), (1045, 12221), (1111, 11495), (1331, 9595), (1919, 6655), (2299, 5555)]