28305488393

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{74077}}^1$

素因数の和:74146

約数の個数: 48

約数和(自身を含む): 39042069120

約数和(自身を除く): 10736580727

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 169, 221, 247, 323, 1183, 1547, 1729, 2261, 2873, 3211, 4199, 20111, 22477, 29393, 54587, 74077, 382109, 518539, 963001, 1259309, 1407463, 6741007, 8815163, 9852241, 12519013, 16371017, 18297019, 23926871, 87633091, 114597119, 128079133, 167488097, 212823221, 237861247, 311049323, 1489762547, 1665028729, 2177345261, 4043641199, 28305488393]

約数ペア:

[(1, 28305488393), (7, 4043641199), (13, 2177345261), (17, 1665028729), (19, 1489762547), (91, 311049323), (119, 237861247), (133, 212823221), (169, 167488097), (221, 128079133), (247, 114597119), (323, 87633091), (1183, 23926871), (1547, 18297019), (1729, 16371017), (2261, 12519013), (2873, 9852241), (3211, 8815163), (4199, 6741007), (20111, 1407463), (22477, 1259309), (29393, 963001), (54587, 518539), (74077, 382109)]