208996905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 375379200

約数和(自身を除く): 166382295

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 83, 111, 185, 195, 249, 349, 415, 481, 555, 1047, 1079, 1245, 1443, 1745, 2405, 3071, 3237, 4537, 5235, 5395, 7215, 9213, 12913, 13611, 15355, 16185, 22685, 28967, 38739, 39923, 46065, 64565, 68055, 86901, 119769, 144835, 167869, 193695, 199615, 376571, 434505, 503607, 598845, 839345, 1071779, 1129713, 1882855, 2518035, 3215337, 5358895, 5648565, 13933127, 16076685, 41799381, 69665635, 208996905]

約数ペア:

[(1, 208996905), (3, 69665635), (5, 41799381), (13, 16076685), (15, 13933127), (37, 5648565), (39, 5358895), (65, 3215337), (83, 2518035), (111, 1882855), (185, 1129713), (195, 1071779), (249, 839345), (349, 598845), (415, 503607), (481, 434505), (555, 376571), (1047, 199615), (1079, 193695), (1245, 167869), (1443, 144835), (1745, 119769), (2405, 86901), (3071, 68055), (3237, 64565), (4537, 46065), (5235, 39923), (5395, 38739), (7215, 28967), (9213, 22685), (12913, 16185), (13611, 15355)]