218105888

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 144

約数和(自身を含む): 581837760

約数和(自身を除く): 363731872

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 182, 208, 224, 242, 286, 308, 352, 364, 416, 484, 572, 616, 619, 728, 847, 968, 1001, 1144, 1232, 1238, 1456, 1573, 1694, 1936, 2002, 2288, 2464, 2476, 2912, 3146, 3388, 3872, 4004, 4333, 4576, 4952, 6292, 6776, 6809, 8008, 8047, 8666, 9904, 11011, 12584, 13552, 13618, 16016, 16094, 17332, 19808, 22022, 25168, 27104, 27236, 32032, 32188, 34664, 44044, 47663, 50336, 54472, 56329, 64376, 69328, 74899, 88088, 88517, 95326, 108944, 112658, 128752, 138656, 149798, 176176, 177034, 190652, 217888, 225316, 257504, 299596, 352352, 354068, 381304, 450632, 524293, 599192, 619619, 708136, 762608, 901264, 973687, 1048586, 1198384, 1239238, 1416272, 1525216, 1802528, 1947374, 2097172, 2396768, 2478476, 2832544, 3894748, 4194344, 4956952, 6815809, 7789496, 8388688, 9913904, 13631618, 15578992, 16777376, 19827808, 27263236, 31157984, 54526472, 109052944, 218105888]

約数ペア:

[(1, 218105888), (2, 109052944), (4, 54526472), (7, 31157984), (8, 27263236), (11, 19827808), (13, 16777376), (14, 15578992), (16, 13631618), (22, 9913904), (26, 8388688), (28, 7789496), (32, 6815809), (44, 4956952), (52, 4194344), (56, 3894748), (77, 2832544), (88, 2478476), (91, 2396768), (104, 2097172), (112, 1947374), (121, 1802528), (143, 1525216), (154, 1416272), (176, 1239238), (182, 1198384), (208, 1048586), (224, 973687), (242, 901264), (286, 762608), (308, 708136), (352, 619619), (364, 599192), (416, 524293), (484, 450632), (572, 381304), (616, 354068), (619, 352352), (728, 299596), (847, 257504), (968, 225316), (1001, 217888), (1144, 190652), (1232, 177034), (1238, 176176), (1456, 149798), (1573, 138656), (1694, 128752), (1936, 112658), (2002, 108944), (2288, 95326), (2464, 88517), (2476, 88088), (2912, 74899), (3146, 69328), (3388, 64376), (3872, 56329), (4004, 54472), (4333, 50336), (4576, 47663), (4952, 44044), (6292, 34664), (6776, 32188), (6809, 32032), (8008, 27236), (8047, 27104), (8666, 25168), (9904, 22022), (11011, 19808), (12584, 17332), (13552, 16094), (13618, 16016)]