78240218

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4478

約数の個数: 32

約数和(自身を含む): 141861888

約数和(自身を除く): 63621670

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 217, 287, 434, 574, 1271, 2542, 4397, 8794, 8897, 17794, 30779, 61558, 136307, 180277, 272614, 360554, 954149, 1261939, 1908298, 2523878, 5588587, 11177174, 39120109, 78240218]

約数ペア:

[(1, 78240218), (2, 39120109), (7, 11177174), (14, 5588587), (31, 2523878), (41, 1908298), (62, 1261939), (82, 954149), (217, 360554), (287, 272614), (434, 180277), (574, 136307), (1271, 61558), (2542, 30779), (4397, 17794), (8794, 8897)]