28384902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 80391168

約数和(自身を除く): 52006266

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 43, 62, 63, 78, 86, 91, 93, 117, 126, 129, 169, 182, 186, 217, 234, 258, 273, 279, 301, 338, 387, 403, 434, 507, 546, 558, 559, 602, 651, 774, 806, 819, 903, 1014, 1118, 1183, 1209, 1302, 1333, 1521, 1638, 1677, 1806, 1953, 2366, 2418, 2666, 2709, 2821, 3042, 3354, 3549, 3627, 3906, 3913, 3999, 5031, 5239, 5418, 5642, 7098, 7254, 7267, 7826, 7998, 8463, 9331, 10062, 10478, 10647, 11739, 11997, 14534, 15717, 16926, 17329, 18662, 21294, 21801, 23478, 23994, 25389, 27993, 31434, 34658, 35217, 36673, 43602, 47151, 50778, 50869, 51987, 55986, 65403, 70434, 73346, 83979, 94302, 101738, 103974, 110019, 121303, 130806, 152607, 155961, 167958, 220038, 225277, 242606, 305214, 311922, 330057, 363909, 450554, 457821, 660114, 675831, 727818, 915642, 1091727, 1351662, 1576939, 2027493, 2183454, 3153878, 4054986, 4730817, 9461634, 14192451, 28384902]

約数ペア:

[(1, 28384902), (2, 14192451), (3, 9461634), (6, 4730817), (7, 4054986), (9, 3153878), (13, 2183454), (14, 2027493), (18, 1576939), (21, 1351662), (26, 1091727), (31, 915642), (39, 727818), (42, 675831), (43, 660114), (62, 457821), (63, 450554), (78, 363909), (86, 330057), (91, 311922), (93, 305214), (117, 242606), (126, 225277), (129, 220038), (169, 167958), (182, 155961), (186, 152607), (217, 130806), (234, 121303), (258, 110019), (273, 103974), (279, 101738), (301, 94302), (338, 83979), (387, 73346), (403, 70434), (434, 65403), (507, 55986), (546, 51987), (558, 50869), (559, 50778), (602, 47151), (651, 43602), (774, 36673), (806, 35217), (819, 34658), (903, 31434), (1014, 27993), (1118, 25389), (1183, 23994), (1209, 23478), (1302, 21801), (1333, 21294), (1521, 18662), (1638, 17329), (1677, 16926), (1806, 15717), (1953, 14534), (2366, 11997), (2418, 11739), (2666, 10647), (2709, 10478), (2821, 10062), (3042, 9331), (3354, 8463), (3549, 7998), (3627, 7826), (3906, 7267), (3913, 7254), (3999, 7098), (5031, 5642), (5239, 5418)]