987867972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2178

約数の個数: 144

約数和(自身を含む): 3095269632

約数和(自身を除く): 2107401660

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, 151, 156, 182, 234, 252, 273, 302, 364, 453, 468, 546, 604, 819, 906, 1057, 1092, 1359, 1638, 1812, 1963, 1997, 2114, 2718, 3171, 3276, 3926, 3994, 4228, 5436, 5889, 5991, 6342, 7852, 7988, 9513, 11778, 11982, 12684, 13741, 13979, 17667, 17973, 19026, 23556, 23964, 25961, 27482, 27958, 35334, 35946, 38052, 41223, 41937, 51922, 54964, 55916, 70668, 71892, 77883, 82446, 83874, 103844, 123669, 125811, 155766, 164892, 167748, 181727, 233649, 247338, 251622, 301547, 311532, 363454, 467298, 494676, 503244, 545181, 603094, 726908, 904641, 934596, 1090362, 1206188, 1635543, 1809282, 2110829, 2180724, 2713923, 3271086, 3618564, 3920111, 4221658, 5427846, 6332487, 6542172, 7840222, 8443316, 10855692, 11760333, 12664974, 15680444, 18997461, 23520666, 25329948, 27440777, 35280999, 37994922, 47041332, 54881554, 70561998, 75989844, 82322331, 109763108, 141123996, 164644662, 246966993, 329289324, 493933986, 987867972]

約数ペア:

[(1, 987867972), (2, 493933986), (3, 329289324), (4, 246966993), (6, 164644662), (7, 141123996), (9, 109763108), (12, 82322331), (13, 75989844), (14, 70561998), (18, 54881554), (21, 47041332), (26, 37994922), (28, 35280999), (36, 27440777), (39, 25329948), (42, 23520666), (52, 18997461), (63, 15680444), (78, 12664974), (84, 11760333), (91, 10855692), (117, 8443316), (126, 7840222), (151, 6542172), (156, 6332487), (182, 5427846), (234, 4221658), (252, 3920111), (273, 3618564), (302, 3271086), (364, 2713923), (453, 2180724), (468, 2110829), (546, 1809282), (604, 1635543), (819, 1206188), (906, 1090362), (1057, 934596), (1092, 904641), (1359, 726908), (1638, 603094), (1812, 545181), (1963, 503244), (1997, 494676), (2114, 467298), (2718, 363454), (3171, 311532), (3276, 301547), (3926, 251622), (3994, 247338), (4228, 233649), (5436, 181727), (5889, 167748), (5991, 164892), (6342, 155766), (7852, 125811), (7988, 123669), (9513, 103844), (11778, 83874), (11982, 82446), (12684, 77883), (13741, 71892), (13979, 70668), (17667, 55916), (17973, 54964), (19026, 51922), (23556, 41937), (23964, 41223), (25961, 38052), (27482, 35946), (27958, 35334)]