205129870855

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{37423}}^1$

素因数の和:39176

約数の個数: 48

約数和(自身を含む): 308558484864

約数和(自身を除く): 103428614009

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1721, 3185, 8605, 12047, 22373, 37423, 60235, 84329, 111865, 156611, 187115, 261961, 421645, 486499, 783055, 1096277, 1309805, 1833727, 2432495, 3405493, 5481385, 9168635, 17027465, 23838451, 64404983, 119192255, 322024915, 450834881, 837264779, 2254174405, 3155844167, 4186323895, 5860853453, 15779220835, 29304267265, 41025974171, 205129870855]

約数ペア:

[(1, 205129870855), (5, 41025974171), (7, 29304267265), (13, 15779220835), (35, 5860853453), (49, 4186323895), (65, 3155844167), (91, 2254174405), (245, 837264779), (455, 450834881), (637, 322024915), (1721, 119192255), (3185, 64404983), (8605, 23838451), (12047, 17027465), (22373, 9168635), (37423, 5481385), (60235, 3405493), (84329, 2432495), (111865, 1833727), (156611, 1309805), (187115, 1096277), (261961, 783055), (421645, 486499)]