12978805

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 19411200

約数和(自身を除く): 6432395

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 673, 1015, 2755, 3365, 3857, 4711, 12787, 19285, 19517, 23555, 63935, 89509, 97585, 136619, 370823, 447545, 683095, 1854115, 2595761, 12978805]

約数ペア:

[(1, 12978805), (5, 2595761), (7, 1854115), (19, 683095), (29, 447545), (35, 370823), (95, 136619), (133, 97585), (145, 89509), (203, 63935), (551, 23555), (665, 19517), (673, 19285), (1015, 12787), (2755, 4711), (3365, 3857)]