80856578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 134930880

約数和(自身を除く): 54074302

約数列:

[1, 2, 11, 22, 137, 139, 193, 274, 278, 386, 1507, 1529, 2123, 3014, 3058, 4246, 19043, 26441, 26827, 38086, 52882, 53654, 209473, 290851, 295097, 418946, 581702, 590194, 3675299, 7350598, 40428289, 80856578]

約数ペア:

[(1, 80856578), (2, 40428289), (11, 7350598), (22, 3675299), (137, 590194), (139, 581702), (193, 418946), (274, 295097), (278, 290851), (386, 209473), (1507, 53654), (1529, 52882), (2123, 38086), (3014, 26827), (3058, 26441), (4246, 19043)]