212798988

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 588302624

約数和(自身を除く): 375503636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 61, 74, 81, 97, 108, 111, 122, 148, 162, 183, 194, 222, 243, 244, 291, 324, 333, 366, 388, 444, 486, 549, 582, 666, 732, 873, 972, 999, 1098, 1164, 1332, 1647, 1746, 1998, 2196, 2257, 2619, 2997, 3294, 3492, 3589, 3996, 4514, 4941, 5238, 5917, 5994, 6588, 6771, 7178, 7857, 8991, 9028, 9882, 10476, 10767, 11834, 11988, 13542, 14356, 14823, 15714, 17751, 17982, 19764, 20313, 21534, 23571, 23668, 27084, 29646, 31428, 32301, 35502, 35964, 40626, 43068, 47142, 53253, 59292, 60939, 64602, 71004, 81252, 94284, 96903, 106506, 121878, 129204, 159759, 182817, 193806, 213012, 218929, 243756, 290709, 319518, 365634, 387612, 437858, 479277, 548451, 581418, 639036, 656787, 731268, 872127, 875716, 958554, 1096902, 1162836, 1313574, 1437831, 1744254, 1917108, 1970361, 2193804, 2627148, 2875662, 3488508, 3940722, 5751324, 5911083, 7881444, 11822166, 17733249, 23644332, 35466498, 53199747, 70932996, 106399494, 212798988]

約数ペア:

[(1, 212798988), (2, 106399494), (3, 70932996), (4, 53199747), (6, 35466498), (9, 23644332), (12, 17733249), (18, 11822166), (27, 7881444), (36, 5911083), (37, 5751324), (54, 3940722), (61, 3488508), (74, 2875662), (81, 2627148), (97, 2193804), (108, 1970361), (111, 1917108), (122, 1744254), (148, 1437831), (162, 1313574), (183, 1162836), (194, 1096902), (222, 958554), (243, 875716), (244, 872127), (291, 731268), (324, 656787), (333, 639036), (366, 581418), (388, 548451), (444, 479277), (486, 437858), (549, 387612), (582, 365634), (666, 319518), (732, 290709), (873, 243756), (972, 218929), (999, 213012), (1098, 193806), (1164, 182817), (1332, 159759), (1647, 129204), (1746, 121878), (1998, 106506), (2196, 96903), (2257, 94284), (2619, 81252), (2997, 71004), (3294, 64602), (3492, 60939), (3589, 59292), (3996, 53253), (4514, 47142), (4941, 43068), (5238, 40626), (5917, 35964), (5994, 35502), (6588, 32301), (6771, 31428), (7178, 29646), (7857, 27084), (8991, 23668), (9028, 23571), (9882, 21534), (10476, 20313), (10767, 19764), (11834, 17982), (11988, 17751), (13542, 15714), (14356, 14823)]