207856705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 318504960

約数和(自身を除く): 110648255

約数列:

[1, 5, 7, 17, 31, 35, 59, 85, 119, 155, 191, 217, 295, 413, 527, 595, 955, 1003, 1085, 1337, 1829, 2065, 2635, 3247, 3689, 5015, 5921, 6685, 7021, 9145, 11269, 12803, 16235, 18445, 22729, 29605, 31093, 35105, 41447, 56345, 64015, 78883, 100657, 113645, 155465, 191573, 207235, 217651, 349339, 394415, 503285, 704599, 957865, 1088255, 1341011, 1746695, 2445373, 3522995, 5938763, 6705055, 12226865, 29693815, 41571341, 207856705]

約数ペア:

[(1, 207856705), (5, 41571341), (7, 29693815), (17, 12226865), (31, 6705055), (35, 5938763), (59, 3522995), (85, 2445373), (119, 1746695), (155, 1341011), (191, 1088255), (217, 957865), (295, 704599), (413, 503285), (527, 394415), (595, 349339), (955, 217651), (1003, 207235), (1085, 191573), (1337, 155465), (1829, 113645), (2065, 100657), (2635, 78883), (3247, 64015), (3689, 56345), (5015, 41447), (5921, 35105), (6685, 31093), (7021, 29605), (9145, 22729), (11269, 18445), (12803, 16235)]