28018870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 55365120

約数和(自身を除く): 27346250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1423, 1790, 1969, 2846, 3938, 7115, 9845, 14230, 15653, 19690, 31306, 78265, 156530, 254717, 509434, 1273585, 2547170, 2801887, 5603774, 14009435, 28018870]

約数ペア:

[(1, 28018870), (2, 14009435), (5, 5603774), (10, 2801887), (11, 2547170), (22, 1273585), (55, 509434), (110, 254717), (179, 156530), (358, 78265), (895, 31306), (1423, 19690), (1790, 15653), (1969, 14230), (2846, 9845), (3938, 7115)]