1997465008

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3797}}^1$

素因数の和:3891

約数の個数: 120

約数和(自身を含む): 4993033104

約数和(自身を除く): 2995568096

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 61, 77, 88, 98, 112, 122, 154, 176, 196, 244, 308, 392, 427, 488, 539, 616, 671, 784, 854, 976, 1078, 1232, 1342, 1708, 2156, 2684, 2989, 3416, 3797, 4312, 4697, 5368, 5978, 6832, 7594, 8624, 9394, 10736, 11956, 15188, 18788, 23912, 26579, 30376, 32879, 37576, 41767, 47824, 53158, 60752, 65758, 75152, 83534, 106316, 131516, 167068, 186053, 212632, 231617, 263032, 292369, 334136, 372106, 425264, 463234, 526064, 584738, 668272, 744212, 926468, 1169476, 1488424, 1621319, 1852936, 2046583, 2338952, 2547787, 2976848, 3242638, 3705872, 4093166, 4677904, 5095574, 6485276, 8186332, 10191148, 11349233, 12970552, 16372664, 17834509, 20382296, 22698466, 25941104, 32745328, 35669018, 40764592, 45396932, 71338036, 90793864, 124841563, 142676072, 181587728, 249683126, 285352144, 499366252, 998732504, 1997465008]

約数ペア:

[(1, 1997465008), (2, 998732504), (4, 499366252), (7, 285352144), (8, 249683126), (11, 181587728), (14, 142676072), (16, 124841563), (22, 90793864), (28, 71338036), (44, 45396932), (49, 40764592), (56, 35669018), (61, 32745328), (77, 25941104), (88, 22698466), (98, 20382296), (112, 17834509), (122, 16372664), (154, 12970552), (176, 11349233), (196, 10191148), (244, 8186332), (308, 6485276), (392, 5095574), (427, 4677904), (488, 4093166), (539, 3705872), (616, 3242638), (671, 2976848), (784, 2547787), (854, 2338952), (976, 2046583), (1078, 1852936), (1232, 1621319), (1342, 1488424), (1708, 1169476), (2156, 926468), (2684, 744212), (2989, 668272), (3416, 584738), (3797, 526064), (4312, 463234), (4697, 425264), (5368, 372106), (5978, 334136), (6832, 292369), (7594, 263032), (8624, 231617), (9394, 212632), (10736, 186053), (11956, 167068), (15188, 131516), (18788, 106316), (23912, 83534), (26579, 75152), (30376, 65758), (32879, 60752), (37576, 53158), (41767, 47824)]