71145263

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 85802112

約数和(自身を除く): 14656849

約数列:

[1, 7, 43, 47, 107, 301, 329, 749, 2021, 2209, 4601, 5029, 14147, 15463, 32207, 35203, 94987, 216247, 236363, 664909, 1513729, 1654541, 10163609, 71145263]

約数ペア:

[(1, 71145263), (7, 10163609), (43, 1654541), (47, 1513729), (107, 664909), (301, 236363), (329, 216247), (749, 94987), (2021, 35203), (2209, 32207), (4601, 15463), (5029, 14147)]