328881728

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 168

約数和(自身を含む): 833932800

約数和(自身を除く): 505051072

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 49, 56, 62, 64, 68, 98, 112, 119, 124, 136, 196, 199, 217, 224, 238, 248, 272, 392, 398, 434, 448, 476, 496, 527, 544, 784, 796, 833, 868, 952, 992, 1054, 1088, 1393, 1519, 1568, 1592, 1666, 1736, 1904, 1984, 2108, 2786, 3038, 3136, 3184, 3332, 3383, 3472, 3689, 3808, 4216, 5572, 6076, 6169, 6368, 6664, 6766, 6944, 7378, 7616, 8432, 9751, 11144, 12152, 12338, 12736, 13328, 13532, 13888, 14756, 16864, 19502, 22288, 23681, 24304, 24676, 25823, 26656, 27064, 29512, 33728, 39004, 43183, 44576, 47362, 48608, 49352, 51646, 53312, 54128, 59024, 78008, 86366, 89152, 94724, 97216, 98704, 103292, 104873, 108256, 118048, 156016, 165767, 172732, 189448, 197408, 206584, 209746, 216512, 236096, 302281, 312032, 331534, 345464, 378896, 394816, 413168, 419492, 604562, 624064, 663068, 690928, 734111, 757792, 826336, 838984, 1209124, 1326136, 1381856, 1468222, 1515584, 1652672, 1677968, 2418248, 2652272, 2763712, 2936444, 3355936, 4836496, 5138777, 5304544, 5872888, 6711872, 9672992, 10277554, 10609088, 11745776, 19345984, 20555108, 23491552, 41110216, 46983104, 82220432, 164440864, 328881728]

約数ペア:

[(1, 328881728), (2, 164440864), (4, 82220432), (7, 46983104), (8, 41110216), (14, 23491552), (16, 20555108), (17, 19345984), (28, 11745776), (31, 10609088), (32, 10277554), (34, 9672992), (49, 6711872), (56, 5872888), (62, 5304544), (64, 5138777), (68, 4836496), (98, 3355936), (112, 2936444), (119, 2763712), (124, 2652272), (136, 2418248), (196, 1677968), (199, 1652672), (217, 1515584), (224, 1468222), (238, 1381856), (248, 1326136), (272, 1209124), (392, 838984), (398, 826336), (434, 757792), (448, 734111), (476, 690928), (496, 663068), (527, 624064), (544, 604562), (784, 419492), (796, 413168), (833, 394816), (868, 378896), (952, 345464), (992, 331534), (1054, 312032), (1088, 302281), (1393, 236096), (1519, 216512), (1568, 209746), (1592, 206584), (1666, 197408), (1736, 189448), (1904, 172732), (1984, 165767), (2108, 156016), (2786, 118048), (3038, 108256), (3136, 104873), (3184, 103292), (3332, 98704), (3383, 97216), (3472, 94724), (3689, 89152), (3808, 86366), (4216, 78008), (5572, 59024), (6076, 54128), (6169, 53312), (6368, 51646), (6664, 49352), (6766, 48608), (6944, 47362), (7378, 44576), (7616, 43183), (8432, 39004), (9751, 33728), (11144, 29512), (12152, 27064), (12338, 26656), (12736, 25823), (13328, 24676), (13532, 24304), (13888, 23681), (14756, 22288), (16864, 19502)]