207403904

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 425731680

約数和(自身を除く): 218327776

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 101, 122, 128, 202, 244, 263, 404, 488, 526, 808, 976, 1052, 1616, 1952, 2104, 3232, 3904, 4208, 6161, 6464, 7808, 8416, 12322, 12928, 16043, 16832, 24644, 26563, 32086, 33664, 49288, 53126, 64172, 98576, 106252, 128344, 197152, 212504, 256688, 394304, 425008, 513376, 788608, 850016, 1026752, 1620343, 1700032, 2053504, 3240686, 3400064, 6481372, 12962744, 25925488, 51850976, 103701952, 207403904]

約数ペア:

[(1, 207403904), (2, 103701952), (4, 51850976), (8, 25925488), (16, 12962744), (32, 6481372), (61, 3400064), (64, 3240686), (101, 2053504), (122, 1700032), (128, 1620343), (202, 1026752), (244, 850016), (263, 788608), (404, 513376), (488, 425008), (526, 394304), (808, 256688), (976, 212504), (1052, 197152), (1616, 128344), (1952, 106252), (2104, 98576), (3232, 64172), (3904, 53126), (4208, 49288), (6161, 33664), (6464, 32086), (7808, 26563), (8416, 24644), (12322, 16832), (12928, 16043)]