209209616

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1477

約数の個数: 120

約数和(自身を含む): 545027616

約数和(自身を除く): 335818000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 238, 272, 308, 374, 392, 476, 539, 616, 748, 784, 833, 952, 1078, 1232, 1309, 1427, 1496, 1666, 1904, 2156, 2618, 2854, 2992, 3332, 4312, 5236, 5708, 6664, 8624, 9163, 9989, 10472, 11416, 13328, 15697, 18326, 19978, 20944, 22832, 24259, 31394, 36652, 39956, 48518, 62788, 69923, 73304, 79912, 97036, 109879, 125576, 139846, 146608, 159824, 169813, 194072, 219758, 251152, 266849, 279692, 339626, 388144, 439516, 533698, 559384, 679252, 769153, 879032, 1067396, 1118768, 1188691, 1358504, 1538306, 1758064, 1867943, 2134792, 2377382, 2717008, 3076612, 3735886, 4269584, 4754764, 6153224, 7471772, 9509528, 12306448, 13075601, 14943544, 19019056, 26151202, 29887088, 52302404, 104604808, 209209616]

約数ペア:

[(1, 209209616), (2, 104604808), (4, 52302404), (7, 29887088), (8, 26151202), (11, 19019056), (14, 14943544), (16, 13075601), (17, 12306448), (22, 9509528), (28, 7471772), (34, 6153224), (44, 4754764), (49, 4269584), (56, 3735886), (68, 3076612), (77, 2717008), (88, 2377382), (98, 2134792), (112, 1867943), (119, 1758064), (136, 1538306), (154, 1358504), (176, 1188691), (187, 1118768), (196, 1067396), (238, 879032), (272, 769153), (308, 679252), (374, 559384), (392, 533698), (476, 439516), (539, 388144), (616, 339626), (748, 279692), (784, 266849), (833, 251152), (952, 219758), (1078, 194072), (1232, 169813), (1309, 159824), (1427, 146608), (1496, 139846), (1666, 125576), (1904, 109879), (2156, 97036), (2618, 79912), (2854, 73304), (2992, 69923), (3332, 62788), (4312, 48518), (5236, 39956), (5708, 36652), (6664, 31394), (8624, 24259), (9163, 22832), (9989, 20944), (10472, 19978), (11416, 18326), (13328, 15697)]