639408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 2071296

約数和(自身を除く): 1431888

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 173, 176, 231, 264, 308, 336, 346, 462, 519, 528, 616, 692, 924, 1038, 1211, 1232, 1384, 1848, 1903, 2076, 2422, 2768, 3633, 3696, 3806, 4152, 4844, 5709, 7266, 7612, 8304, 9688, 11418, 13321, 14532, 15224, 19376, 22836, 26642, 29064, 30448, 39963, 45672, 53284, 58128, 79926, 91344, 106568, 159852, 213136, 319704, 639408]

約数ペア:

[(1, 639408), (2, 319704), (3, 213136), (4, 159852), (6, 106568), (7, 91344), (8, 79926), (11, 58128), (12, 53284), (14, 45672), (16, 39963), (21, 30448), (22, 29064), (24, 26642), (28, 22836), (33, 19376), (42, 15224), (44, 14532), (48, 13321), (56, 11418), (66, 9688), (77, 8304), (84, 7612), (88, 7266), (112, 5709), (132, 4844), (154, 4152), (168, 3806), (173, 3696), (176, 3633), (231, 2768), (264, 2422), (308, 2076), (336, 1903), (346, 1848), (462, 1384), (519, 1232), (528, 1211), (616, 1038), (692, 924)]