28728458724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{337}}^1\times {\mathrm{1283}}^1$

素因数の和:1754

約数の個数: 144

約数和(自身を含む): 78962240448

約数和(自身を除く): 50233781724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 294, 337, 339, 452, 588, 674, 678, 791, 1011, 1283, 1348, 1356, 1582, 2022, 2359, 2373, 2566, 3164, 3849, 4044, 4718, 4746, 5132, 5537, 7077, 7698, 8981, 9436, 9492, 11074, 14154, 15396, 16513, 16611, 17962, 22148, 26943, 28308, 33026, 33222, 35924, 38081, 49539, 53886, 62867, 66052, 66444, 76162, 99078, 107772, 114243, 125734, 144979, 152324, 188601, 198156, 228486, 251468, 266567, 289958, 377202, 432371, 434937, 456972, 533134, 579916, 754404, 799701, 864742, 869874, 1014853, 1066268, 1297113, 1599402, 1729484, 1739748, 1865969, 2029706, 2594226, 3026597, 3044559, 3198804, 3731938, 4059412, 5188452, 5597907, 6053194, 6089118, 7103971, 7463876, 9079791, 11195814, 12106388, 12178236, 14207942, 18159582, 21186179, 21311913, 22391628, 28415884, 36319164, 42372358, 42623826, 48857923, 63558537, 84744716, 85247652, 97715846, 127117074, 146573769, 195431692, 254234148, 293147538, 342005461, 586295076, 684010922, 1026016383, 1368021844, 2052032766, 2394038227, 4104065532, 4788076454, 7182114681, 9576152908, 14364229362, 28728458724]

約数ペア:

[(1, 28728458724), (2, 14364229362), (3, 9576152908), (4, 7182114681), (6, 4788076454), (7, 4104065532), (12, 2394038227), (14, 2052032766), (21, 1368021844), (28, 1026016383), (42, 684010922), (49, 586295076), (84, 342005461), (98, 293147538), (113, 254234148), (147, 195431692), (196, 146573769), (226, 127117074), (294, 97715846), (337, 85247652), (339, 84744716), (452, 63558537), (588, 48857923), (674, 42623826), (678, 42372358), (791, 36319164), (1011, 28415884), (1283, 22391628), (1348, 21311913), (1356, 21186179), (1582, 18159582), (2022, 14207942), (2359, 12178236), (2373, 12106388), (2566, 11195814), (3164, 9079791), (3849, 7463876), (4044, 7103971), (4718, 6089118), (4746, 6053194), (5132, 5597907), (5537, 5188452), (7077, 4059412), (7698, 3731938), (8981, 3198804), (9436, 3044559), (9492, 3026597), (11074, 2594226), (14154, 2029706), (15396, 1865969), (16513, 1739748), (16611, 1729484), (17962, 1599402), (22148, 1297113), (26943, 1066268), (28308, 1014853), (33026, 869874), (33222, 864742), (35924, 799701), (38081, 754404), (49539, 579916), (53886, 533134), (62867, 456972), (66052, 434937), (66444, 432371), (76162, 377202), (99078, 289958), (107772, 266567), (114243, 251468), (125734, 228486), (144979, 198156), (152324, 188601)]