12215556815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{16673}}^1$

素因数の和:16880

約数の個数: 48

約数和(自身を含む): 18521745984

約数和(自身を除く): 6306189169

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 173, 385, 605, 847, 865, 1211, 1903, 4235, 6055, 9515, 13321, 16673, 20933, 66605, 83365, 104665, 116711, 146531, 183403, 583555, 732655, 917015, 1283821, 2017433, 2884429, 6419105, 10087165, 14122031, 14422145, 20191003, 31728719, 70610155, 100955015, 158643595, 222101033, 349015909, 1110505165, 1745079545, 2443111363, 12215556815]

約数ペア:

[(1, 12215556815), (5, 2443111363), (7, 1745079545), (11, 1110505165), (35, 349015909), (55, 222101033), (77, 158643595), (121, 100955015), (173, 70610155), (385, 31728719), (605, 20191003), (847, 14422145), (865, 14122031), (1211, 10087165), (1903, 6419105), (4235, 2884429), (6055, 2017433), (9515, 1283821), (13321, 917015), (16673, 732655), (20933, 583555), (66605, 183403), (83365, 146531), (104665, 116711)]