266444984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{20173}}^1$

素因数の和:20319

約数の個数: 32

約数和(自身を含む): 542277120

約数和(自身を除く): 275832136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 20173, 40346, 80692, 161384, 262249, 524498, 1048996, 2097992, 2561971, 5123942, 10247884, 20495768, 33305623, 66611246, 133222492, 266444984]

約数ペア:

[(1, 266444984), (2, 133222492), (4, 66611246), (8, 33305623), (13, 20495768), (26, 10247884), (52, 5123942), (104, 2561971), (127, 2097992), (254, 1048996), (508, 524498), (1016, 262249), (1651, 161384), (3302, 80692), (6604, 40346), (13208, 20173)]