518570975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 749202048

約数和(自身を除く): 230631073

約数列:

[1, 5, 13, 17, 25, 47, 65, 85, 221, 235, 325, 425, 611, 799, 1105, 1175, 1997, 3055, 3995, 5525, 9985, 10387, 15275, 19975, 25961, 33949, 49925, 51935, 93859, 129805, 169745, 259675, 441337, 469295, 649025, 848725, 1220167, 1595603, 2206685, 2346475, 6100835, 7978015, 11033425, 20742839, 30504175, 39890075, 103714195, 518570975]

約数ペア:

[(1, 518570975), (5, 103714195), (13, 39890075), (17, 30504175), (25, 20742839), (47, 11033425), (65, 7978015), (85, 6100835), (221, 2346475), (235, 2206685), (325, 1595603), (425, 1220167), (611, 848725), (799, 649025), (1105, 469295), (1175, 441337), (1997, 259675), (3055, 169745), (3995, 129805), (5525, 93859), (9985, 51935), (10387, 49925), (15275, 33949), (19975, 25961)]