81500518

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{1097}}^1$

素因数の和:1428

約数の個数: 24

約数和(自身を含む): 134935416

約数和(自身を除く): 53434898

約数列:

[1, 2, 11, 22, 121, 242, 307, 614, 1097, 2194, 3377, 6754, 12067, 24134, 37147, 74294, 132737, 265474, 336779, 673558, 3704569, 7409138, 40750259, 81500518]

約数ペア:

[(1, 81500518), (2, 40750259), (11, 7409138), (22, 3704569), (121, 673558), (242, 336779), (307, 265474), (614, 132737), (1097, 74294), (2194, 37147), (3377, 24134), (6754, 12067)]