208577369

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 305742528

約数和(自身を除く): 97165159

約数列:

[1, 7, 11, 13, 17, 49, 77, 91, 103, 119, 143, 187, 221, 289, 539, 637, 721, 833, 1001, 1133, 1309, 1339, 1547, 1751, 2023, 2431, 3179, 3757, 5047, 7007, 7931, 9163, 9373, 10829, 12257, 14161, 14729, 17017, 19261, 22253, 22763, 26299, 29767, 41327, 55517, 65611, 85799, 103103, 119119, 134827, 155771, 159341, 184093, 208369, 250393, 289289, 327437, 386971, 721721, 943789, 1115387, 1458583, 1752751, 2025023, 2292059, 2708797, 4256681, 12269257, 16044413, 18961579, 29796767, 208577369]

約数ペア:

[(1, 208577369), (7, 29796767), (11, 18961579), (13, 16044413), (17, 12269257), (49, 4256681), (77, 2708797), (91, 2292059), (103, 2025023), (119, 1752751), (143, 1458583), (187, 1115387), (221, 943789), (289, 721721), (539, 386971), (637, 327437), (721, 289289), (833, 250393), (1001, 208369), (1133, 184093), (1309, 159341), (1339, 155771), (1547, 134827), (1751, 119119), (2023, 103103), (2431, 85799), (3179, 65611), (3757, 55517), (5047, 41327), (7007, 29767), (7931, 26299), (9163, 22763), (9373, 22253), (10829, 19261), (12257, 17017), (14161, 14729)]