1215704340907

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1\times {\mathrm{2087}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 1403332439040

約数和(自身を除く): 187628098133

約数列:

[1, 7, 157, 421, 1099, 1259, 2087, 2947, 8813, 14609, 66097, 197663, 327659, 462679, 530039, 878627, 1383641, 2293613, 2627533, 3710273, 6150389, 18392731, 83216123, 137944439, 412522681, 582512861, 965611073, 1106191393, 2887658767, 7743339751, 173672048701, 1215704340907]

約数ペア:

[(1, 1215704340907), (7, 173672048701), (157, 7743339751), (421, 2887658767), (1099, 1106191393), (1259, 965611073), (2087, 582512861), (2947, 412522681), (8813, 137944439), (14609, 83216123), (66097, 18392731), (197663, 6150389), (327659, 3710273), (462679, 2627533), (530039, 2293613), (878627, 1383641)]