27720404864

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{827}}^1\times {\mathrm{1999}}^1$

素因数の和:2971

約数の個数: 64

約数和(自身を含む): 55740960000

約数和(自身を除く): 28020555136

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 827, 1048, 1654, 1999, 2096, 3308, 3998, 4192, 6616, 7996, 8384, 13232, 15992, 16768, 26464, 31984, 52928, 63968, 105856, 108337, 127936, 216674, 255872, 261869, 433348, 523738, 866696, 1047476, 1653173, 1733392, 2094952, 3306346, 3466784, 4189904, 6612692, 6933568, 8379808, 13225384, 13867136, 16759616, 26450768, 33519232, 52901536, 105803072, 211606144, 216565663, 433131326, 866262652, 1732525304, 3465050608, 6930101216, 13860202432, 27720404864]

約数ペア:

[(1, 27720404864), (2, 13860202432), (4, 6930101216), (8, 3465050608), (16, 1732525304), (32, 866262652), (64, 433131326), (128, 216565663), (131, 211606144), (262, 105803072), (524, 52901536), (827, 33519232), (1048, 26450768), (1654, 16759616), (1999, 13867136), (2096, 13225384), (3308, 8379808), (3998, 6933568), (4192, 6612692), (6616, 4189904), (7996, 3466784), (8384, 3306346), (13232, 2094952), (15992, 1733392), (16768, 1653173), (26464, 1047476), (31984, 866696), (52928, 523738), (63968, 433348), (105856, 261869), (108337, 255872), (127936, 216674)]