1998389484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1987}}^1$

素因数の和:2324

約数の個数: 144

約数和(自身を含む): 6240602368

約数和(自身を除く): 4242212884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 307, 364, 468, 546, 614, 819, 921, 1092, 1228, 1638, 1842, 1987, 2149, 2763, 3276, 3684, 3974, 3991, 4298, 5526, 5961, 6447, 7948, 7982, 8596, 11052, 11922, 11973, 12894, 13909, 15964, 17883, 19341, 23844, 23946, 25788, 25831, 27818, 27937, 35766, 35919, 38682, 41727, 47892, 51662, 55636, 55874, 71532, 71838, 77364, 77493, 83454, 83811, 103324, 111748, 125181, 143676, 154986, 166908, 167622, 180817, 232479, 250362, 251433, 309972, 335244, 361634, 464958, 500724, 502866, 542451, 610009, 723268, 929916, 1005732, 1084902, 1220018, 1627353, 1830027, 2169804, 2440036, 3254706, 3660054, 4270063, 5490081, 6509412, 7320108, 7930117, 8540126, 10980162, 12810189, 15860234, 17080252, 21960324, 23790351, 25620378, 31720468, 38430567, 47580702, 51240756, 55510819, 71371053, 76861134, 95161404, 111021638, 142742106, 153722268, 166532457, 222043276, 285484212, 333064914, 499597371, 666129828, 999194742, 1998389484]

約数ペア:

[(1, 1998389484), (2, 999194742), (3, 666129828), (4, 499597371), (6, 333064914), (7, 285484212), (9, 222043276), (12, 166532457), (13, 153722268), (14, 142742106), (18, 111021638), (21, 95161404), (26, 76861134), (28, 71371053), (36, 55510819), (39, 51240756), (42, 47580702), (52, 38430567), (63, 31720468), (78, 25620378), (84, 23790351), (91, 21960324), (117, 17080252), (126, 15860234), (156, 12810189), (182, 10980162), (234, 8540126), (252, 7930117), (273, 7320108), (307, 6509412), (364, 5490081), (468, 4270063), (546, 3660054), (614, 3254706), (819, 2440036), (921, 2169804), (1092, 1830027), (1228, 1627353), (1638, 1220018), (1842, 1084902), (1987, 1005732), (2149, 929916), (2763, 723268), (3276, 610009), (3684, 542451), (3974, 502866), (3991, 500724), (4298, 464958), (5526, 361634), (5961, 335244), (6447, 309972), (7948, 251433), (7982, 250362), (8596, 232479), (11052, 180817), (11922, 167622), (11973, 166908), (12894, 154986), (13909, 143676), (15964, 125181), (17883, 111748), (19341, 103324), (23844, 83811), (23946, 83454), (25788, 77493), (25831, 77364), (27818, 71838), (27937, 71532), (35766, 55874), (35919, 55636), (38682, 51662), (41727, 47892)]