86311975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 120528000

約数和(自身を除く): 34216025

約数列:

[1, 5, 17, 25, 29, 47, 85, 145, 149, 235, 425, 493, 725, 745, 799, 1175, 1363, 2465, 2533, 3725, 3995, 4321, 6815, 7003, 12325, 12665, 19975, 21605, 23171, 34075, 35015, 63325, 73457, 108025, 115855, 119051, 175075, 203087, 367285, 579275, 595255, 1015435, 1836425, 2976275, 3452479, 5077175, 17262395, 86311975]

約数ペア:

[(1, 86311975), (5, 17262395), (17, 5077175), (25, 3452479), (29, 2976275), (47, 1836425), (85, 1015435), (145, 595255), (149, 579275), (235, 367285), (425, 203087), (493, 175075), (725, 119051), (745, 115855), (799, 108025), (1175, 73457), (1363, 63325), (2465, 35015), (2533, 34075), (3725, 23171), (3995, 21605), (4321, 19975), (6815, 12665), (7003, 12325)]