51478847

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 64627200

約数和(自身を除く): 13148353

約数列:

[1, 7, 19, 53, 67, 109, 133, 371, 469, 763, 1007, 1273, 2071, 3551, 5777, 7049, 7303, 8911, 14497, 24857, 40439, 51121, 67469, 109763, 138757, 387059, 472283, 768341, 971299, 2709413, 7354121, 51478847]

約数ペア:

[(1, 51478847), (7, 7354121), (19, 2709413), (53, 971299), (67, 768341), (109, 472283), (133, 387059), (371, 138757), (469, 109763), (763, 67469), (1007, 51121), (1273, 40439), (2071, 24857), (3551, 14497), (5777, 8911), (7049, 7303)]