77981090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7019}}^1$

素因数の和:7138

約数の個数: 32

約数和(自身を含む): 154664640

約数和(自身を除く): 76683550

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 7019, 11110, 14038, 35095, 70190, 77209, 154418, 386045, 708919, 772090, 1417838, 3544595, 7089190, 7798109, 15596218, 38990545, 77981090]

約数ペア:

[(1, 77981090), (2, 38990545), (5, 15596218), (10, 7798109), (11, 7089190), (22, 3544595), (55, 1417838), (101, 772090), (110, 708919), (202, 386045), (505, 154418), (1010, 77209), (1111, 70190), (2222, 35095), (5555, 14038), (7019, 11110)]