289432871

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 408038400

約数和(自身を除く): 118605529

約数列:

[1, 7, 13, 17, 19, 43, 91, 119, 133, 221, 229, 247, 301, 323, 559, 731, 817, 1547, 1603, 1729, 2261, 2977, 3893, 3913, 4199, 4351, 5117, 5719, 9503, 9847, 10621, 13889, 20839, 27251, 29393, 30457, 50609, 56563, 66521, 68929, 73967, 74347, 97223, 128011, 167399, 180557, 187093, 354263, 395941, 517769, 896077, 961571, 1171793, 1263899, 1309651, 2176187, 2432209, 3180581, 6730997, 15233309, 17025463, 22264067, 41347553, 289432871]

約数ペア:

[(1, 289432871), (7, 41347553), (13, 22264067), (17, 17025463), (19, 15233309), (43, 6730997), (91, 3180581), (119, 2432209), (133, 2176187), (221, 1309651), (229, 1263899), (247, 1171793), (301, 961571), (323, 896077), (559, 517769), (731, 395941), (817, 354263), (1547, 187093), (1603, 180557), (1729, 167399), (2261, 128011), (2977, 97223), (3893, 74347), (3913, 73967), (4199, 68929), (4351, 66521), (5117, 56563), (5719, 50609), (9503, 30457), (9847, 29393), (10621, 27251), (13889, 20839)]