2209148788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{17623}}^1$

素因数の和:17693

約数の個数: 72

約数和(自身を含む): 4988014976

約数和(自身を除く): 2778866188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 154, 242, 259, 308, 407, 484, 518, 814, 847, 1036, 1628, 1694, 2849, 3388, 4477, 5698, 8954, 11396, 17623, 17908, 31339, 35246, 62678, 70492, 123361, 125356, 193853, 246722, 387706, 493444, 652051, 775412, 1304102, 1356971, 2132383, 2608204, 2713942, 4264766, 4564357, 5427884, 7172561, 8529532, 9128714, 14345122, 14926681, 18257428, 28690244, 29853362, 50207927, 59706724, 78898171, 100415854, 157796342, 200831708, 315592684, 552287197, 1104574394, 2209148788]

約数ペア:

[(1, 2209148788), (2, 1104574394), (4, 552287197), (7, 315592684), (11, 200831708), (14, 157796342), (22, 100415854), (28, 78898171), (37, 59706724), (44, 50207927), (74, 29853362), (77, 28690244), (121, 18257428), (148, 14926681), (154, 14345122), (242, 9128714), (259, 8529532), (308, 7172561), (407, 5427884), (484, 4564357), (518, 4264766), (814, 2713942), (847, 2608204), (1036, 2132383), (1628, 1356971), (1694, 1304102), (2849, 775412), (3388, 652051), (4477, 493444), (5698, 387706), (8954, 246722), (11396, 193853), (17623, 125356), (17908, 123361), (31339, 70492), (35246, 62678)]