207666977

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 258453504

約数和(自身を除く): 50786527

約数列:

[1, 7, 23, 37, 71, 161, 259, 491, 497, 851, 1633, 2627, 3437, 5957, 11293, 11431, 18167, 18389, 34861, 60421, 79051, 127169, 244027, 417841, 422947, 801803, 1289857, 2924887, 5612621, 9028999, 29666711, 207666977]

約数ペア:

[(1, 207666977), (7, 29666711), (23, 9028999), (37, 5612621), (71, 2924887), (161, 1289857), (259, 801803), (491, 422947), (497, 417841), (851, 244027), (1633, 127169), (2627, 79051), (3437, 60421), (5957, 34861), (11293, 18389), (11431, 18167)]