2161674865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 3250368000

約数和(自身を除く): 1088693135

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 149, 185, 259, 595, 629, 659, 745, 1043, 1295, 2533, 3145, 3295, 4403, 4613, 5215, 5513, 11203, 12665, 17731, 22015, 23065, 24383, 27565, 38591, 56015, 78421, 88655, 93721, 98191, 121915, 170681, 192955, 392105, 414511, 468605, 490955, 656047, 687337, 853405, 1669247, 2072555, 2901577, 3280235, 3436685, 3633067, 8346235, 11684729, 14507885, 18165335, 25431469, 58423645, 61762139, 127157345, 308810695, 432334973, 2161674865]

約数ペア:

[(1, 2161674865), (5, 432334973), (7, 308810695), (17, 127157345), (35, 61762139), (37, 58423645), (85, 25431469), (119, 18165335), (149, 14507885), (185, 11684729), (259, 8346235), (595, 3633067), (629, 3436685), (659, 3280235), (745, 2901577), (1043, 2072555), (1295, 1669247), (2533, 853405), (3145, 687337), (3295, 656047), (4403, 490955), (4613, 468605), (5215, 414511), (5513, 392105), (11203, 192955), (12665, 170681), (17731, 121915), (22015, 98191), (23065, 93721), (24383, 88655), (27565, 78421), (38591, 56015)]