1111990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{919}}^1$

素因数の和:948

約数の個数: 24

約数和(自身を含む): 2202480

約数和(自身を除く): 1090490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 919, 1210, 1838, 4595, 9190, 10109, 20218, 50545, 101090, 111199, 222398, 555995, 1111990]

約数ペア:

[(1, 1111990), (2, 555995), (5, 222398), (10, 111199), (11, 101090), (22, 50545), (55, 20218), (110, 10109), (121, 9190), (242, 4595), (605, 1838), (919, 1210)]