28766353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 9756527

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 439, 851, 1771, 2849, 3073, 4829, 5957, 9361, 10097, 16243, 33803, 65527, 70679, 111067, 113701, 178673, 373589, 777469, 1250711, 2615123, 4109479, 28766353]

約数ペア:

[(1, 28766353), (7, 4109479), (11, 2615123), (23, 1250711), (37, 777469), (77, 373589), (161, 178673), (253, 113701), (259, 111067), (407, 70679), (439, 65527), (851, 33803), (1771, 16243), (2849, 10097), (3073, 9361), (4829, 5957)]