209465672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{15859}}^1$

素因数の和:16005

約数の個数: 32

約数和(自身を含む): 426316800

約数和(自身を除く): 216851128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 15859, 31718, 63436, 126872, 206167, 412334, 824668, 1649336, 2014093, 4028186, 8056372, 16112744, 26183209, 52366418, 104732836, 209465672]

約数ペア:

[(1, 209465672), (2, 104732836), (4, 52366418), (8, 26183209), (13, 16112744), (26, 8056372), (52, 4028186), (104, 2014093), (127, 1649336), (254, 824668), (508, 412334), (1016, 206167), (1651, 126872), (3302, 63436), (6604, 31718), (13208, 15859)]