28420994556

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{2467}}^1$

素因数の和:2582

約数の個数: 180

約数和(自身を含む): 78879002664

約数和(自身を除く): 50458008108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 37, 54, 62, 74, 81, 93, 108, 111, 124, 148, 162, 186, 222, 279, 324, 333, 372, 444, 558, 666, 837, 961, 999, 1116, 1147, 1332, 1674, 1922, 1998, 2294, 2467, 2511, 2883, 2997, 3348, 3441, 3844, 3996, 4588, 4934, 5022, 5766, 5994, 6882, 7401, 8649, 9868, 10044, 10323, 11532, 11988, 13764, 14802, 17298, 20646, 22203, 25947, 29604, 30969, 34596, 35557, 41292, 44406, 51894, 61938, 66609, 71114, 76477, 77841, 88812, 91279, 92907, 103788, 106671, 123876, 133218, 142228, 152954, 155682, 182558, 185814, 199827, 213342, 229431, 266436, 273837, 305908, 311364, 320013, 365116, 371628, 399654, 426684, 458862, 547674, 640026, 688293, 799308, 821511, 917724, 960039, 1095348, 1280052, 1376586, 1643022, 1920078, 2064879, 2370787, 2464533, 2753172, 2829649, 2880117, 3286044, 3840156, 4129758, 4741574, 4929066, 5659298, 5760234, 6194637, 7112361, 7393599, 8259516, 8488947, 9483148, 9858132, 11318596, 11520468, 12389274, 14224722, 14787198, 16977894, 21337083, 24778548, 25466841, 28449444, 29574396, 33955788, 42674166, 50933682, 64011249, 76400523, 85348332, 87719119, 101867364, 128022498, 152801046, 175438238, 192033747, 229201569, 256044996, 263157357, 305602092, 350876476, 384067494, 458403138, 526314714, 768134988, 789472071, 916806276, 1052629428, 1578944142, 2368416213, 3157888284, 4736832426, 7105248639, 9473664852, 14210497278, 28420994556]

約数ペア:

[(1, 28420994556), (2, 14210497278), (3, 9473664852), (4, 7105248639), (6, 4736832426), (9, 3157888284), (12, 2368416213), (18, 1578944142), (27, 1052629428), (31, 916806276), (36, 789472071), (37, 768134988), (54, 526314714), (62, 458403138), (74, 384067494), (81, 350876476), (93, 305602092), (108, 263157357), (111, 256044996), (124, 229201569), (148, 192033747), (162, 175438238), (186, 152801046), (222, 128022498), (279, 101867364), (324, 87719119), (333, 85348332), (372, 76400523), (444, 64011249), (558, 50933682), (666, 42674166), (837, 33955788), (961, 29574396), (999, 28449444), (1116, 25466841), (1147, 24778548), (1332, 21337083), (1674, 16977894), (1922, 14787198), (1998, 14224722), (2294, 12389274), (2467, 11520468), (2511, 11318596), (2883, 9858132), (2997, 9483148), (3348, 8488947), (3441, 8259516), (3844, 7393599), (3996, 7112361), (4588, 6194637), (4934, 5760234), (5022, 5659298), (5766, 4929066), (5994, 4741574), (6882, 4129758), (7401, 3840156), (8649, 3286044), (9868, 2880117), (10044, 2829649), (10323, 2753172), (11532, 2464533), (11988, 2370787), (13764, 2064879), (14802, 1920078), (17298, 1643022), (20646, 1376586), (22203, 1280052), (25947, 1095348), (29604, 960039), (30969, 917724), (34596, 821511), (35557, 799308), (41292, 688293), (44406, 640026), (51894, 547674), (61938, 458862), (66609, 426684), (71114, 399654), (76477, 371628), (77841, 365116), (88812, 320013), (91279, 311364), (92907, 305908), (103788, 273837), (106671, 266436), (123876, 229431), (133218, 213342), (142228, 199827), (152954, 185814), (155682, 182558)]