1771192016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1031}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 3851324928

約数和(自身を除く): 2080132912

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 227, 344, 454, 473, 688, 908, 946, 1031, 1816, 1892, 2062, 2497, 3632, 3784, 4124, 4994, 7568, 8248, 9761, 9988, 11341, 16496, 19522, 19976, 22682, 39044, 39952, 44333, 45364, 78088, 88666, 90728, 107371, 156176, 177332, 181456, 214742, 234037, 354664, 429484, 468074, 487663, 709328, 858968, 936148, 975326, 1717936, 1872296, 1950652, 2574407, 3744592, 3901304, 5148814, 7802608, 10063591, 10297628, 20127182, 20595256, 40254364, 41190512, 80508728, 110699501, 161017456, 221399002, 442798004, 885596008, 1771192016]

約数ペア:

[(1, 1771192016), (2, 885596008), (4, 442798004), (8, 221399002), (11, 161017456), (16, 110699501), (22, 80508728), (43, 41190512), (44, 40254364), (86, 20595256), (88, 20127182), (172, 10297628), (176, 10063591), (227, 7802608), (344, 5148814), (454, 3901304), (473, 3744592), (688, 2574407), (908, 1950652), (946, 1872296), (1031, 1717936), (1816, 975326), (1892, 936148), (2062, 858968), (2497, 709328), (3632, 487663), (3784, 468074), (4124, 429484), (4994, 354664), (7568, 234037), (8248, 214742), (9761, 181456), (9988, 177332), (11341, 156176), (16496, 107371), (19522, 90728), (19976, 88666), (22682, 78088), (39044, 45364), (39952, 44333)]