51212651

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 63297792

約数和(自身を除く): 12085141

約数列:

[1, 7, 23, 31, 161, 217, 331, 713, 961, 2317, 4991, 6727, 7613, 10261, 22103, 53291, 71827, 154721, 236003, 318091, 1652021, 2226637, 7316093, 51212651]

約数ペア:

[(1, 51212651), (7, 7316093), (23, 2226637), (31, 1652021), (161, 318091), (217, 236003), (331, 154721), (713, 71827), (961, 53291), (2317, 22103), (4991, 10261), (6727, 7613)]