128976925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6091}}^1$

素因数の和:6130

約数の個数: 36

約数和(自身を含む): 200938528

約数和(自身を除く): 71961603

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1925, 3025, 4235, 6091, 21175, 30455, 42637, 67001, 152275, 213185, 335005, 469007, 737011, 1065925, 1675025, 2345035, 3685055, 5159077, 11725175, 18425275, 25795385, 128976925]

約数ペア:

[(1, 128976925), (5, 25795385), (7, 18425275), (11, 11725175), (25, 5159077), (35, 3685055), (55, 2345035), (77, 1675025), (121, 1065925), (175, 737011), (275, 469007), (385, 335005), (605, 213185), (847, 152275), (1925, 67001), (3025, 42637), (4235, 30455), (6091, 21175)]