638003072

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 1538127360

約数和(自身を除く): 900124288

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 83, 92, 112, 128, 161, 166, 184, 224, 322, 332, 368, 373, 448, 581, 644, 664, 736, 746, 896, 1162, 1288, 1328, 1472, 1492, 1909, 2324, 2576, 2611, 2656, 2944, 2984, 3818, 4648, 5152, 5222, 5312, 5968, 7636, 8579, 9296, 10304, 10444, 10624, 11936, 13363, 15272, 17158, 18592, 20608, 20888, 23872, 26726, 30544, 30959, 34316, 37184, 41776, 47744, 53452, 60053, 61088, 61918, 68632, 74368, 83552, 106904, 120106, 122176, 123836, 137264, 167104, 213808, 216713, 240212, 244352, 247672, 274528, 334208, 427616, 433426, 480424, 495344, 549056, 712057, 855232, 866852, 960848, 990688, 1098112, 1424114, 1710464, 1733704, 1921696, 1981376, 2848228, 3467408, 3843392, 3962752, 4984399, 5696456, 6934816, 7686784, 9968798, 11392912, 13869632, 19937596, 22785824, 27739264, 39875192, 45571648, 79750384, 91143296, 159500768, 319001536, 638003072]

約数ペア:

[(1, 638003072), (2, 319001536), (4, 159500768), (7, 91143296), (8, 79750384), (14, 45571648), (16, 39875192), (23, 27739264), (28, 22785824), (32, 19937596), (46, 13869632), (56, 11392912), (64, 9968798), (83, 7686784), (92, 6934816), (112, 5696456), (128, 4984399), (161, 3962752), (166, 3843392), (184, 3467408), (224, 2848228), (322, 1981376), (332, 1921696), (368, 1733704), (373, 1710464), (448, 1424114), (581, 1098112), (644, 990688), (664, 960848), (736, 866852), (746, 855232), (896, 712057), (1162, 549056), (1288, 495344), (1328, 480424), (1472, 433426), (1492, 427616), (1909, 334208), (2324, 274528), (2576, 247672), (2611, 244352), (2656, 240212), (2944, 216713), (2984, 213808), (3818, 167104), (4648, 137264), (5152, 123836), (5222, 122176), (5312, 120106), (5968, 106904), (7636, 83552), (8579, 74368), (9296, 68632), (10304, 61918), (10444, 61088), (10624, 60053), (11936, 53452), (13363, 47744), (15272, 41776), (17158, 37184), (18592, 34316), (20608, 30959), (20888, 30544), (23872, 26726)]