1987819944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 5736407040

約数和(自身を除く): 3748587096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 71, 88, 93, 121, 124, 132, 142, 186, 213, 242, 248, 264, 284, 311, 341, 363, 372, 426, 484, 568, 622, 682, 726, 744, 781, 852, 933, 968, 1023, 1244, 1364, 1452, 1562, 1704, 1866, 2046, 2201, 2343, 2488, 2728, 2904, 3124, 3421, 3732, 3751, 4092, 4402, 4686, 6248, 6603, 6842, 7464, 7502, 8184, 8591, 8804, 9372, 9641, 10263, 11253, 13206, 13684, 15004, 17182, 17608, 18744, 19282, 20526, 22081, 22506, 24211, 25773, 26412, 27368, 28923, 30008, 34364, 37631, 38564, 41052, 44162, 45012, 48422, 51546, 52824, 57846, 66243, 68728, 72633, 75262, 77128, 82104, 88324, 90024, 96844, 103092, 106051, 112893, 115692, 132486, 145266, 150524, 176648, 193688, 206184, 212102, 225786, 231384, 242891, 264972, 266321, 290532, 301048, 318153, 424204, 451572, 485782, 529944, 532642, 581064, 636306, 684511, 728673, 798963, 848408, 903144, 971564, 1065284, 1166561, 1272612, 1369022, 1457346, 1597926, 1943128, 2053533, 2130568, 2333122, 2545224, 2671801, 2738044, 2914692, 3195852, 3499683, 4107066, 4666244, 5343602, 5476088, 5829384, 6391704, 6999366, 7529621, 8015403, 8214132, 9332488, 10687204, 13998732, 15059242, 16030806, 16428264, 21374408, 22588863, 27997464, 30118484, 32061612, 45177726, 60236968, 64123224, 82825831, 90355452, 165651662, 180710904, 248477493, 331303324, 496954986, 662606648, 993909972, 1987819944]

約数ペア:

[(1, 1987819944), (2, 993909972), (3, 662606648), (4, 496954986), (6, 331303324), (8, 248477493), (11, 180710904), (12, 165651662), (22, 90355452), (24, 82825831), (31, 64123224), (33, 60236968), (44, 45177726), (62, 32061612), (66, 30118484), (71, 27997464), (88, 22588863), (93, 21374408), (121, 16428264), (124, 16030806), (132, 15059242), (142, 13998732), (186, 10687204), (213, 9332488), (242, 8214132), (248, 8015403), (264, 7529621), (284, 6999366), (311, 6391704), (341, 5829384), (363, 5476088), (372, 5343602), (426, 4666244), (484, 4107066), (568, 3499683), (622, 3195852), (682, 2914692), (726, 2738044), (744, 2671801), (781, 2545224), (852, 2333122), (933, 2130568), (968, 2053533), (1023, 1943128), (1244, 1597926), (1364, 1457346), (1452, 1369022), (1562, 1272612), (1704, 1166561), (1866, 1065284), (2046, 971564), (2201, 903144), (2343, 848408), (2488, 798963), (2728, 728673), (2904, 684511), (3124, 636306), (3421, 581064), (3732, 532642), (3751, 529944), (4092, 485782), (4402, 451572), (4686, 424204), (6248, 318153), (6603, 301048), (6842, 290532), (7464, 266321), (7502, 264972), (8184, 242891), (8591, 231384), (8804, 225786), (9372, 212102), (9641, 206184), (10263, 193688), (11253, 176648), (13206, 150524), (13684, 145266), (15004, 132486), (17182, 115692), (17608, 112893), (18744, 106051), (19282, 103092), (20526, 96844), (22081, 90024), (22506, 88324), (24211, 82104), (25773, 77128), (26412, 75262), (27368, 72633), (28923, 68728), (30008, 66243), (34364, 57846), (37631, 52824), (38564, 51546), (41052, 48422), (44162, 45012)]