420585986

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 657054720

約数和(自身を除く): 236468734

約数列:

[1, 2, 47, 94, 97, 193, 194, 239, 386, 478, 4559, 9071, 9118, 11233, 18142, 18721, 22466, 23183, 37442, 46127, 46366, 92254, 879887, 1089601, 1759774, 2167969, 2179202, 4335938, 4474319, 8948638, 210292993, 420585986]

約数ペア:

[(1, 420585986), (2, 210292993), (47, 8948638), (94, 4474319), (97, 4335938), (193, 2179202), (194, 2167969), (239, 1759774), (386, 1089601), (478, 879887), (4559, 92254), (9071, 46366), (9118, 46127), (11233, 37442), (18142, 23183), (18721, 22466)]