28275401

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 38208240

約数和(自身を除く): 9932839

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 209, 251, 539, 847, 931, 1463, 1757, 2299, 2761, 4769, 5929, 10241, 12299, 16093, 19327, 30371, 33383, 52459, 112651, 135289, 212597, 233681, 367213, 577049, 1488179, 2570491, 4039343, 28275401]

約数ペア:

[(1, 28275401), (7, 4039343), (11, 2570491), (19, 1488179), (49, 577049), (77, 367213), (121, 233681), (133, 212597), (209, 135289), (251, 112651), (539, 52459), (847, 33383), (931, 30371), (1463, 19327), (1757, 16093), (2299, 12299), (2761, 10241), (4769, 5929)]