128861768

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 303429240

約数和(自身を除く): 174567472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 61, 68, 98, 119, 122, 136, 196, 238, 244, 317, 392, 427, 476, 488, 634, 833, 854, 952, 1037, 1268, 1666, 1708, 2074, 2219, 2536, 2989, 3332, 3416, 4148, 4438, 5389, 5978, 6664, 7259, 8296, 8876, 10778, 11956, 14518, 15533, 17752, 19337, 21556, 23912, 29036, 31066, 37723, 38674, 43112, 50813, 58072, 62132, 75446, 77348, 101626, 124264, 135359, 150892, 154696, 203252, 264061, 270718, 301784, 328729, 406504, 528122, 541436, 657458, 947513, 1056244, 1082872, 1314916, 1895026, 2112488, 2301103, 2629832, 3790052, 4602206, 7580104, 9204412, 16107721, 18408824, 32215442, 64430884, 128861768]

約数ペア:

[(1, 128861768), (2, 64430884), (4, 32215442), (7, 18408824), (8, 16107721), (14, 9204412), (17, 7580104), (28, 4602206), (34, 3790052), (49, 2629832), (56, 2301103), (61, 2112488), (68, 1895026), (98, 1314916), (119, 1082872), (122, 1056244), (136, 947513), (196, 657458), (238, 541436), (244, 528122), (317, 406504), (392, 328729), (427, 301784), (476, 270718), (488, 264061), (634, 203252), (833, 154696), (854, 150892), (952, 135359), (1037, 124264), (1268, 101626), (1666, 77348), (1708, 75446), (2074, 62132), (2219, 58072), (2536, 50813), (2989, 43112), (3332, 38674), (3416, 37723), (4148, 31066), (4438, 29036), (5389, 23912), (5978, 21556), (6664, 19337), (7259, 17752), (8296, 15533), (8876, 14518), (10778, 11956)]