255435544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 633024000

約数和(自身を除く): 377588456

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 59, 76, 91, 104, 118, 133, 152, 182, 236, 247, 266, 313, 364, 413, 472, 494, 532, 626, 728, 767, 826, 988, 1064, 1121, 1252, 1534, 1652, 1729, 1976, 2191, 2242, 2504, 3068, 3304, 3458, 4069, 4382, 4484, 5369, 5947, 6136, 6916, 7847, 8138, 8764, 8968, 10738, 11894, 13832, 14573, 15694, 16276, 17528, 18467, 21476, 23788, 28483, 29146, 31388, 32552, 36934, 41629, 42952, 47576, 56966, 58292, 62776, 73868, 77311, 83258, 102011, 113932, 116584, 129269, 147736, 154622, 166516, 204022, 227864, 240071, 258538, 309244, 333032, 350873, 408044, 480142, 517076, 541177, 618488, 701746, 816088, 960284, 1034152, 1082354, 1403492, 1680497, 1920568, 2164708, 2456111, 2806984, 3360994, 4329416, 4561349, 4912222, 6721988, 9122698, 9824444, 13443976, 18245396, 19648888, 31929443, 36490792, 63858886, 127717772, 255435544]

約数ペア:

[(1, 255435544), (2, 127717772), (4, 63858886), (7, 36490792), (8, 31929443), (13, 19648888), (14, 18245396), (19, 13443976), (26, 9824444), (28, 9122698), (38, 6721988), (52, 4912222), (56, 4561349), (59, 4329416), (76, 3360994), (91, 2806984), (104, 2456111), (118, 2164708), (133, 1920568), (152, 1680497), (182, 1403492), (236, 1082354), (247, 1034152), (266, 960284), (313, 816088), (364, 701746), (413, 618488), (472, 541177), (494, 517076), (532, 480142), (626, 408044), (728, 350873), (767, 333032), (826, 309244), (988, 258538), (1064, 240071), (1121, 227864), (1252, 204022), (1534, 166516), (1652, 154622), (1729, 147736), (1976, 129269), (2191, 116584), (2242, 113932), (2504, 102011), (3068, 83258), (3304, 77311), (3458, 73868), (4069, 62776), (4382, 58292), (4484, 56966), (5369, 47576), (5947, 42952), (6136, 41629), (6916, 36934), (7847, 32552), (8138, 31388), (8764, 29146), (8968, 28483), (10738, 23788), (11894, 21476), (13832, 18467), (14573, 17528), (15694, 16276)]