81123790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5807}}^1$

素因数の和:5952

約数の個数: 32

約数和(自身を含む): 160579584

約数和(自身を除く): 79455794

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 5807, 6985, 11614, 13970, 29035, 58070, 63877, 127754, 319385, 638770, 737489, 1474978, 3687445, 7374890, 8112379, 16224758, 40561895, 81123790]

約数ペア:

[(1, 81123790), (2, 40561895), (5, 16224758), (10, 8112379), (11, 7374890), (22, 3687445), (55, 1474978), (110, 737489), (127, 638770), (254, 319385), (635, 127754), (1270, 63877), (1397, 58070), (2794, 29035), (5807, 13970), (6985, 11614)]