1721079745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{599}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 2737152000

約数和(自身を除く): 1016072255

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 439, 595, 599, 935, 1309, 2195, 2995, 3073, 4193, 4829, 6545, 6589, 7463, 10183, 15365, 20965, 24145, 32945, 33803, 37315, 46123, 50915, 52241, 71281, 82093, 112013, 169015, 230615, 261205, 262961, 356405, 410465, 560065, 574651, 784091, 1314805, 1840727, 2873255, 2892571, 3920455, 4470337, 9203635, 14462855, 20247997, 22351685, 31292359, 49173707, 101239985, 156461795, 245868535, 344215949, 1721079745]

約数ペア:

[(1, 1721079745), (5, 344215949), (7, 245868535), (11, 156461795), (17, 101239985), (35, 49173707), (55, 31292359), (77, 22351685), (85, 20247997), (119, 14462855), (187, 9203635), (385, 4470337), (439, 3920455), (595, 2892571), (599, 2873255), (935, 1840727), (1309, 1314805), (2195, 784091), (2995, 574651), (3073, 560065), (4193, 410465), (4829, 356405), (6545, 262961), (6589, 261205), (7463, 230615), (10183, 169015), (15365, 112013), (20965, 82093), (24145, 71281), (32945, 52241), (33803, 50915), (37315, 46123)]