128553425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 216111168

約数和(自身を除く): 87557743

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 275, 325, 385, 455, 467, 605, 715, 847, 1001, 1573, 1925, 2275, 2335, 3025, 3269, 3575, 4235, 5005, 5137, 6071, 7865, 11011, 11675, 16345, 21175, 25025, 25685, 30355, 35959, 39325, 42497, 55055, 56507, 66781, 81725, 128425, 151775, 179795, 212485, 275275, 282535, 333905, 395549, 467467, 734591, 898975, 1062425, 1412675, 1669525, 1977745, 2337335, 3672955, 5142137, 9888725, 11686675, 18364775, 25710685, 128553425]

約数ペア:

[(1, 128553425), (5, 25710685), (7, 18364775), (11, 11686675), (13, 9888725), (25, 5142137), (35, 3672955), (55, 2337335), (65, 1977745), (77, 1669525), (91, 1412675), (121, 1062425), (143, 898975), (175, 734591), (275, 467467), (325, 395549), (385, 333905), (455, 282535), (467, 275275), (605, 212485), (715, 179795), (847, 151775), (1001, 128425), (1573, 81725), (1925, 66781), (2275, 56507), (2335, 55055), (3025, 42497), (3269, 39325), (3575, 35959), (4235, 30355), (5005, 25685), (5137, 25025), (6071, 21175), (7865, 16345), (11011, 11675)]