51578275

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 76495104

約数和(自身を除く): 24916829

約数列:

[1, 5, 7, 25, 35, 53, 67, 83, 175, 265, 335, 371, 415, 469, 581, 1325, 1675, 1855, 2075, 2345, 2905, 3551, 4399, 5561, 9275, 11725, 14525, 17755, 21995, 24857, 27805, 30793, 38927, 88775, 109975, 124285, 139025, 153965, 194635, 294733, 621425, 769825, 973175, 1473665, 2063131, 7368325, 10315655, 51578275]

約数ペア:

[(1, 51578275), (5, 10315655), (7, 7368325), (25, 2063131), (35, 1473665), (53, 973175), (67, 769825), (83, 621425), (175, 294733), (265, 194635), (335, 153965), (371, 139025), (415, 124285), (469, 109975), (581, 88775), (1325, 38927), (1675, 30793), (1855, 27805), (2075, 24857), (2345, 21995), (2905, 17755), (3551, 14525), (4399, 11725), (5561, 9275)]