488740021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 696453120

約数和(自身を除く): 207713099

約数列:

[1, 7, 11, 17, 19, 43, 77, 119, 133, 187, 209, 301, 323, 457, 473, 731, 817, 1309, 1463, 2261, 3199, 3311, 3553, 5027, 5117, 5719, 7769, 8041, 8683, 8987, 13889, 19651, 24871, 35189, 54383, 56287, 60781, 62909, 85459, 95513, 97223, 137557, 147611, 152779, 216161, 334067, 373369, 598213, 668591, 1033277, 1069453, 1513127, 1623721, 2338469, 2613583, 3674737, 4107059, 6347273, 11366047, 25723159, 28749413, 44430911, 69820003, 488740021]

約数ペア:

[(1, 488740021), (7, 69820003), (11, 44430911), (17, 28749413), (19, 25723159), (43, 11366047), (77, 6347273), (119, 4107059), (133, 3674737), (187, 2613583), (209, 2338469), (301, 1623721), (323, 1513127), (457, 1069453), (473, 1033277), (731, 668591), (817, 598213), (1309, 373369), (1463, 334067), (2261, 216161), (3199, 152779), (3311, 147611), (3553, 137557), (5027, 97223), (5117, 95513), (5719, 85459), (7769, 62909), (8041, 60781), (8683, 56287), (8987, 54383), (13889, 35189), (19651, 24871)]