28054728

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 85612800

約数和(自身を除く): 57558072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 97, 103, 104, 108, 117, 156, 194, 206, 216, 234, 291, 309, 312, 351, 388, 412, 468, 582, 618, 702, 776, 824, 873, 927, 936, 1164, 1236, 1261, 1339, 1404, 1746, 1854, 2328, 2472, 2522, 2619, 2678, 2781, 2808, 3492, 3708, 3783, 4017, 5044, 5238, 5356, 5562, 6984, 7416, 7566, 8034, 9991, 10088, 10476, 10712, 11124, 11349, 12051, 15132, 16068, 19982, 20952, 22248, 22698, 24102, 29973, 30264, 32136, 34047, 36153, 39964, 45396, 48204, 59946, 68094, 72306, 79928, 89919, 90792, 96408, 119892, 129883, 136188, 144612, 179838, 239784, 259766, 269757, 272376, 289224, 359676, 389649, 519532, 539514, 719352, 779298, 1039064, 1079028, 1168947, 1558596, 2158056, 2337894, 3117192, 3506841, 4675788, 7013682, 9351576, 14027364, 28054728]

約数ペア:

[(1, 28054728), (2, 14027364), (3, 9351576), (4, 7013682), (6, 4675788), (8, 3506841), (9, 3117192), (12, 2337894), (13, 2158056), (18, 1558596), (24, 1168947), (26, 1079028), (27, 1039064), (36, 779298), (39, 719352), (52, 539514), (54, 519532), (72, 389649), (78, 359676), (97, 289224), (103, 272376), (104, 269757), (108, 259766), (117, 239784), (156, 179838), (194, 144612), (206, 136188), (216, 129883), (234, 119892), (291, 96408), (309, 90792), (312, 89919), (351, 79928), (388, 72306), (412, 68094), (468, 59946), (582, 48204), (618, 45396), (702, 39964), (776, 36153), (824, 34047), (873, 32136), (927, 30264), (936, 29973), (1164, 24102), (1236, 22698), (1261, 22248), (1339, 20952), (1404, 19982), (1746, 16068), (1854, 15132), (2328, 12051), (2472, 11349), (2522, 11124), (2619, 10712), (2678, 10476), (2781, 10088), (2808, 9991), (3492, 8034), (3708, 7566), (3783, 7416), (4017, 6984), (5044, 5562), (5238, 5356)]