51221207

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 58521600

約数和(自身を除く): 7300393

約数列:

[1, 19, 23, 31, 199, 361, 437, 589, 713, 3781, 4577, 6169, 8303, 11191, 13547, 71839, 86963, 117211, 141887, 257393, 1652297, 2227009, 2695853, 51221207]

約数ペア:

[(1, 51221207), (19, 2695853), (23, 2227009), (31, 1652297), (199, 257393), (361, 141887), (437, 117211), (589, 86963), (713, 71839), (3781, 13547), (4577, 11191), (6169, 8303)]