199320121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 291242304

約数和(自身を除く): 91922183

約数列:

[1, 7, 11, 13, 17, 53, 77, 91, 119, 143, 169, 187, 221, 289, 371, 583, 689, 901, 1001, 1183, 1309, 1547, 1859, 2023, 2431, 2873, 3179, 3757, 4081, 4823, 6307, 7579, 8957, 9911, 11713, 13013, 15317, 17017, 20111, 22253, 26299, 31603, 41327, 48841, 53053, 62699, 69377, 81991, 98527, 107219, 128843, 152269, 168487, 199121, 221221, 289289, 341887, 537251, 689689, 901901, 1065883, 1179409, 1393847, 1674959, 2190331, 2588573, 3760757, 11724713, 15332317, 18120011, 28474303, 199320121]

約数ペア:

[(1, 199320121), (7, 28474303), (11, 18120011), (13, 15332317), (17, 11724713), (53, 3760757), (77, 2588573), (91, 2190331), (119, 1674959), (143, 1393847), (169, 1179409), (187, 1065883), (221, 901901), (289, 689689), (371, 537251), (583, 341887), (689, 289289), (901, 221221), (1001, 199121), (1183, 168487), (1309, 152269), (1547, 128843), (1859, 107219), (2023, 98527), (2431, 81991), (2873, 69377), (3179, 62699), (3757, 53053), (4081, 48841), (4823, 41327), (6307, 31603), (7579, 26299), (8957, 22253), (9911, 20111), (11713, 17017), (13013, 15317)]