84212275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 133039104

約数和(自身を除く): 48826829

約数列:

[1, 5, 7, 19, 25, 31, 35, 43, 95, 133, 155, 175, 215, 217, 301, 361, 475, 589, 665, 775, 817, 1075, 1085, 1333, 1505, 1805, 2527, 2945, 3325, 4085, 4123, 5425, 5719, 6665, 7525, 9025, 9331, 11191, 12635, 14725, 15523, 20425, 20615, 25327, 28595, 33325, 46655, 55955, 63175, 77615, 78337, 103075, 108661, 126635, 142975, 177289, 233275, 279775, 388075, 391685, 481213, 543305, 633175, 886445, 1958425, 2406065, 2716525, 3368491, 4432225, 12030325, 16842455, 84212275]

約数ペア:

[(1, 84212275), (5, 16842455), (7, 12030325), (19, 4432225), (25, 3368491), (31, 2716525), (35, 2406065), (43, 1958425), (95, 886445), (133, 633175), (155, 543305), (175, 481213), (215, 391685), (217, 388075), (301, 279775), (361, 233275), (475, 177289), (589, 142975), (665, 126635), (775, 108661), (817, 103075), (1075, 78337), (1085, 77615), (1333, 63175), (1505, 55955), (1805, 46655), (2527, 33325), (2945, 28595), (3325, 25327), (4085, 20615), (4123, 20425), (5425, 15523), (5719, 14725), (6665, 12635), (7525, 11191), (9025, 9331)]