1287788778

素因数分解:

$2^1\times 3^2\times {\mathrm{1303}}^1\times {\mathrm{54907}}^1$

素因数の和:56218

約数の個数: 24

約数和(自身を含む): 2792401248

約数和(自身を除く): 1504612470

約数列:

[1, 2, 3, 6, 9, 18, 1303, 2606, 3909, 7818, 11727, 23454, 54907, 109814, 164721, 329442, 494163, 988326, 71543821, 143087642, 214631463, 429262926, 643894389, 1287788778]

約数ペア:

[(1, 1287788778), (2, 643894389), (3, 429262926), (6, 214631463), (9, 143087642), (18, 71543821), (1303, 988326), (2606, 494163), (3909, 329442), (7818, 164721), (11727, 109814), (23454, 54907)]