281831788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 639959040

約数和(自身を除く): 358127252

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 31, 38, 46, 62, 76, 92, 124, 133, 161, 217, 266, 322, 434, 437, 532, 589, 644, 713, 743, 868, 874, 1178, 1426, 1486, 1748, 2356, 2852, 2972, 3059, 4123, 4991, 5201, 6118, 8246, 9982, 10402, 12236, 13547, 14117, 16492, 17089, 19964, 20804, 23033, 27094, 28234, 34178, 46066, 54188, 56468, 68356, 92132, 94829, 98819, 119623, 161231, 189658, 197638, 239246, 322462, 324691, 379316, 395276, 437627, 478492, 529759, 644924, 649382, 875254, 1059518, 1298764, 1750508, 2119036, 2272837, 3063389, 3708313, 4545674, 6126778, 7416626, 9091348, 10065421, 12253556, 14833252, 20130842, 40261684, 70457947, 140915894, 281831788]

約数ペア:

[(1, 281831788), (2, 140915894), (4, 70457947), (7, 40261684), (14, 20130842), (19, 14833252), (23, 12253556), (28, 10065421), (31, 9091348), (38, 7416626), (46, 6126778), (62, 4545674), (76, 3708313), (92, 3063389), (124, 2272837), (133, 2119036), (161, 1750508), (217, 1298764), (266, 1059518), (322, 875254), (434, 649382), (437, 644924), (532, 529759), (589, 478492), (644, 437627), (713, 395276), (743, 379316), (868, 324691), (874, 322462), (1178, 239246), (1426, 197638), (1486, 189658), (1748, 161231), (2356, 119623), (2852, 98819), (2972, 94829), (3059, 92132), (4123, 68356), (4991, 56468), (5201, 54188), (6118, 46066), (8246, 34178), (9982, 28234), (10402, 27094), (12236, 23033), (13547, 20804), (14117, 19964), (16492, 17089)]