51996217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 22998983

約数列:

[1, 7, 13, 17, 19, 29, 61, 91, 119, 133, 203, 221, 247, 323, 377, 427, 493, 551, 793, 1037, 1159, 1547, 1729, 1769, 2261, 2639, 3451, 3857, 4199, 5551, 6409, 7163, 7259, 8113, 9367, 12383, 13481, 15067, 19703, 22997, 29393, 30073, 33611, 44863, 50141, 65569, 94367, 105469, 121771, 137921, 160979, 210511, 235277, 256139, 390949, 436943, 571387, 852397, 1792973, 2736643, 3058601, 3999709, 7428031, 51996217]

約数ペア:

[(1, 51996217), (7, 7428031), (13, 3999709), (17, 3058601), (19, 2736643), (29, 1792973), (61, 852397), (91, 571387), (119, 436943), (133, 390949), (203, 256139), (221, 235277), (247, 210511), (323, 160979), (377, 137921), (427, 121771), (493, 105469), (551, 94367), (793, 65569), (1037, 50141), (1159, 44863), (1547, 33611), (1729, 30073), (1769, 29393), (2261, 22997), (2639, 19703), (3451, 15067), (3857, 13481), (4199, 12383), (5551, 9367), (6409, 8113), (7163, 7259)]