16842455

素因数分解:

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

素因数の和:124

約数の個数: 48

約数和(自身を含む): 25749504

約数和(自身を除く): 8907049

約数列:

[1, 5, 7, 19, 31, 35, 43, 95, 133, 155, 215, 217, 301, 361, 589, 665, 817, 1085, 1333, 1505, 1805, 2527, 2945, 4085, 4123, 5719, 6665, 9331, 11191, 12635, 15523, 20615, 25327, 28595, 46655, 55955, 77615, 78337, 108661, 126635, 177289, 391685, 481213, 543305, 886445, 2406065, 3368491, 16842455]

約数ペア:

[(1, 16842455), (5, 3368491), (7, 2406065), (19, 886445), (31, 543305), (35, 481213), (43, 391685), (95, 177289), (133, 126635), (155, 108661), (215, 78337), (217, 77615), (301, 55955), (361, 46655), (589, 28595), (665, 25327), (817, 20615), (1085, 15523), (1333, 12635), (1505, 11191), (1805, 9331), (2527, 6665), (2945, 5719), (4085, 4123)]